17985825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 108

約数和(自身を含む): 38939472

約数和(自身を除く): 20953647

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 43, 45, 55, 65, 75, 99, 117, 129, 143, 165, 169, 195, 215, 225, 275, 325, 387, 429, 473, 495, 507, 559, 585, 645, 715, 825, 845, 975, 1075, 1287, 1419, 1521, 1677, 1859, 1935, 2145, 2365, 2475, 2535, 2795, 2925, 3225, 3575, 4225, 4257, 5031, 5577, 6149, 6435, 7095, 7267, 7605, 8385, 9295, 9675, 10725, 11825, 12675, 13975, 16731, 18447, 21285, 21801, 25155, 27885, 30745, 32175, 35475, 36335, 38025, 41925, 46475, 55341, 65403, 79937, 83655, 92235, 106425, 109005, 125775, 139425, 153725, 181675, 239811, 276705, 327015, 399685, 418275, 461175, 545025, 719433, 1199055, 1383525, 1635075, 1998425, 3597165, 5995275, 17985825]

約数ペア:

[(1, 17985825), (3, 5995275), (5, 3597165), (9, 1998425), (11, 1635075), (13, 1383525), (15, 1199055), (25, 719433), (33, 545025), (39, 461175), (43, 418275), (45, 399685), (55, 327015), (65, 276705), (75, 239811), (99, 181675), (117, 153725), (129, 139425), (143, 125775), (165, 109005), (169, 106425), (195, 92235), (215, 83655), (225, 79937), (275, 65403), (325, 55341), (387, 46475), (429, 41925), (473, 38025), (495, 36335), (507, 35475), (559, 32175), (585, 30745), (645, 27885), (715, 25155), (825, 21801), (845, 21285), (975, 18447), (1075, 16731), (1287, 13975), (1419, 12675), (1521, 11825), (1677, 10725), (1859, 9675), (1935, 9295), (2145, 8385), (2365, 7605), (2475, 7267), (2535, 7095), (2795, 6435), (2925, 6149), (3225, 5577), (3575, 5031), (4225, 4257)]