15981075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{587}}^1$

素因数の和:625

約数の個数: 54

約数和(自身を含む): 31516212

約数和(自身を除く): 15535137

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 587, 605, 825, 1089, 1761, 1815, 2475, 2935, 3025, 5283, 5445, 6457, 8805, 9075, 14675, 19371, 26415, 27225, 32285, 44025, 58113, 71027, 96855, 132075, 161425, 213081, 290565, 355135, 484275, 639243, 1065405, 1452825, 1775675, 3196215, 5327025, 15981075]

約数ペア:

[(1, 15981075), (3, 5327025), (5, 3196215), (9, 1775675), (11, 1452825), (15, 1065405), (25, 639243), (33, 484275), (45, 355135), (55, 290565), (75, 213081), (99, 161425), (121, 132075), (165, 96855), (225, 71027), (275, 58113), (363, 44025), (495, 32285), (587, 27225), (605, 26415), (825, 19371), (1089, 14675), (1761, 9075), (1815, 8805), (2475, 6457), (2935, 5445), (3025, 5283)]