28217475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 59444112

約数和(自身を除く): 31226637

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 877, 975, 1287, 2145, 2475, 2631, 2925, 3575, 4385, 6435, 7893, 9647, 10725, 11401, 13155, 21925, 28941, 32175, 34203, 39465, 48235, 57005, 65775, 86823, 102609, 125411, 144705, 171015, 197325, 241175, 285025, 376233, 434115, 513045, 627055, 723525, 855075, 1128699, 1881165, 2170575, 2565225, 3135275, 5643495, 9405825, 28217475]

約数ペア:

[(1, 28217475), (3, 9405825), (5, 5643495), (9, 3135275), (11, 2565225), (13, 2170575), (15, 1881165), (25, 1128699), (33, 855075), (39, 723525), (45, 627055), (55, 513045), (65, 434115), (75, 376233), (99, 285025), (117, 241175), (143, 197325), (165, 171015), (195, 144705), (225, 125411), (275, 102609), (325, 86823), (429, 65775), (495, 57005), (585, 48235), (715, 39465), (825, 34203), (877, 32175), (975, 28941), (1287, 21925), (2145, 13155), (2475, 11401), (2631, 10725), (2925, 9647), (3575, 7893), (4385, 6435)]