21782475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 45903312

約数和(自身を除く): 24120837

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, 677, 715, 825, 975, 1287, 2031, 2145, 2475, 2925, 3385, 3575, 6093, 6435, 7447, 8801, 10155, 10725, 16925, 22341, 26403, 30465, 32175, 37235, 44005, 50775, 67023, 79209, 96811, 111705, 132015, 152325, 186175, 220025, 290433, 335115, 396045, 484055, 558525, 660075, 871299, 1452165, 1675575, 1980225, 2420275, 4356495, 7260825, 21782475]

約数ペア:

[(1, 21782475), (3, 7260825), (5, 4356495), (9, 2420275), (11, 1980225), (13, 1675575), (15, 1452165), (25, 871299), (33, 660075), (39, 558525), (45, 484055), (55, 396045), (65, 335115), (75, 290433), (99, 220025), (117, 186175), (143, 152325), (165, 132015), (195, 111705), (225, 96811), (275, 79209), (325, 67023), (429, 50775), (495, 44005), (585, 37235), (677, 32175), (715, 30465), (825, 26403), (975, 22341), (1287, 16925), (2031, 10725), (2145, 10155), (2475, 8801), (2925, 7447), (3385, 6435), (3575, 6093)]