171812025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 393689088

約数和(自身を除く): 221877063

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 47, 55, 63, 75, 77, 99, 105, 141, 165, 175, 211, 225, 231, 235, 275, 315, 329, 385, 423, 495, 517, 525, 633, 693, 705, 825, 987, 1055, 1155, 1175, 1477, 1551, 1575, 1645, 1899, 1925, 2115, 2321, 2475, 2585, 2961, 3165, 3465, 3525, 3619, 4431, 4653, 4935, 5275, 5775, 6963, 7385, 7755, 8225, 9495, 9917, 10575, 10857, 11605, 12925, 13293, 14805, 15825, 16247, 17325, 18095, 20889, 22155, 23265, 24675, 29751, 32571, 34815, 36925, 38775, 47475, 48741, 49585, 54285, 58025, 66465, 69419, 74025, 81235, 89253, 90475, 104445, 109087, 110775, 116325, 146223, 148755, 162855, 174075, 208257, 243705, 247925, 271425, 327261, 332325, 347095, 406175, 446265, 522225, 545435, 624771, 731115, 743775, 763609, 814275, 981783, 1041285, 1218525, 1636305, 1735475, 2231325, 2290827, 2727175, 3123855, 3655575, 3818045, 4908915, 5206425, 6872481, 8181525, 11454135, 15619275, 19090225, 24544575, 34362405, 57270675, 171812025]

約数ペア:

[(1, 171812025), (3, 57270675), (5, 34362405), (7, 24544575), (9, 19090225), (11, 15619275), (15, 11454135), (21, 8181525), (25, 6872481), (33, 5206425), (35, 4908915), (45, 3818045), (47, 3655575), (55, 3123855), (63, 2727175), (75, 2290827), (77, 2231325), (99, 1735475), (105, 1636305), (141, 1218525), (165, 1041285), (175, 981783), (211, 814275), (225, 763609), (231, 743775), (235, 731115), (275, 624771), (315, 545435), (329, 522225), (385, 446265), (423, 406175), (495, 347095), (517, 332325), (525, 327261), (633, 271425), (693, 247925), (705, 243705), (825, 208257), (987, 174075), (1055, 162855), (1155, 148755), (1175, 146223), (1477, 116325), (1551, 110775), (1575, 109087), (1645, 104445), (1899, 90475), (1925, 89253), (2115, 81235), (2321, 74025), (2475, 69419), (2585, 66465), (2961, 58025), (3165, 54285), (3465, 49585), (3525, 48741), (3619, 47475), (4431, 38775), (4653, 36925), (4935, 34815), (5275, 32571), (5775, 29751), (6963, 24675), (7385, 23265), (7755, 22155), (8225, 20889), (9495, 18095), (9917, 17325), (10575, 16247), (10857, 15825), (11605, 14805), (12925, 13293)]