77818125

素因数分解:

$3^1\times 5^4\times 7^3\times {\mathrm{11}}^2$

素因数の和:66

約数の個数: 120

約数和(自身を含む): 166196800

約数和(自身を除く): 88378675

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 121, 125, 147, 165, 175, 231, 245, 275, 343, 363, 375, 385, 525, 539, 605, 625, 735, 825, 847, 875, 1029, 1155, 1225, 1375, 1617, 1715, 1815, 1875, 1925, 2541, 2625, 2695, 3025, 3675, 3773, 4125, 4235, 4375, 5145, 5775, 5929, 6125, 6875, 8085, 8575, 9075, 9625, 11319, 12705, 13125, 13475, 15125, 17787, 18375, 18865, 20625, 21175, 25725, 28875, 29645, 30625, 40425, 41503, 42875, 45375, 48125, 56595, 63525, 67375, 75625, 88935, 91875, 94325, 105875, 124509, 128625, 144375, 148225, 202125, 207515, 214375, 226875, 282975, 317625, 336875, 444675, 471625, 529375, 622545, 643125, 741125, 1010625, 1037575, 1414875, 1588125, 2223375, 2358125, 3112725, 3705625, 5187875, 7074375, 11116875, 15563625, 25939375, 77818125]

約数ペア:

[(1, 77818125), (3, 25939375), (5, 15563625), (7, 11116875), (11, 7074375), (15, 5187875), (21, 3705625), (25, 3112725), (33, 2358125), (35, 2223375), (49, 1588125), (55, 1414875), (75, 1037575), (77, 1010625), (105, 741125), (121, 643125), (125, 622545), (147, 529375), (165, 471625), (175, 444675), (231, 336875), (245, 317625), (275, 282975), (343, 226875), (363, 214375), (375, 207515), (385, 202125), (525, 148225), (539, 144375), (605, 128625), (625, 124509), (735, 105875), (825, 94325), (847, 91875), (875, 88935), (1029, 75625), (1155, 67375), (1225, 63525), (1375, 56595), (1617, 48125), (1715, 45375), (1815, 42875), (1875, 41503), (1925, 40425), (2541, 30625), (2625, 29645), (2695, 28875), (3025, 25725), (3675, 21175), (3773, 20625), (4125, 18865), (4235, 18375), (4375, 17787), (5145, 15125), (5775, 13475), (5929, 13125), (6125, 12705), (6875, 11319), (8085, 9625), (8575, 9075)]