23151975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 50472960

約数和(自身を除く): 27320985

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 133, 165, 175, 209, 211, 231, 275, 285, 385, 399, 475, 525, 627, 633, 665, 825, 1045, 1055, 1155, 1425, 1463, 1477, 1925, 1995, 2321, 3135, 3165, 3325, 4009, 4389, 4431, 5225, 5275, 5775, 6963, 7315, 7385, 9975, 11605, 12027, 15675, 15825, 16247, 20045, 21945, 22155, 28063, 34815, 36575, 36925, 44099, 48741, 58025, 60135, 81235, 84189, 100225, 109725, 110775, 132297, 140315, 174075, 220495, 243705, 300675, 308693, 406175, 420945, 661485, 701575, 926079, 1102475, 1218525, 1543465, 2104725, 3307425, 4630395, 7717325, 23151975]

約数ペア:

[(1, 23151975), (3, 7717325), (5, 4630395), (7, 3307425), (11, 2104725), (15, 1543465), (19, 1218525), (21, 1102475), (25, 926079), (33, 701575), (35, 661485), (55, 420945), (57, 406175), (75, 308693), (77, 300675), (95, 243705), (105, 220495), (133, 174075), (165, 140315), (175, 132297), (209, 110775), (211, 109725), (231, 100225), (275, 84189), (285, 81235), (385, 60135), (399, 58025), (475, 48741), (525, 44099), (627, 36925), (633, 36575), (665, 34815), (825, 28063), (1045, 22155), (1055, 21945), (1155, 20045), (1425, 16247), (1463, 15825), (1477, 15675), (1925, 12027), (1995, 11605), (2321, 9975), (3135, 7385), (3165, 7315), (3325, 6963), (4009, 5775), (4389, 5275), (4431, 5225)]