18635175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 37643424

約数和(自身を除く): 19008249

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 277, 299, 325, 345, 575, 585, 831, 897, 975, 1035, 1385, 1495, 1725, 2493, 2691, 2925, 3601, 4155, 4485, 5175, 6371, 6925, 7475, 10803, 12465, 13455, 18005, 19113, 20775, 22425, 31855, 32409, 54015, 57339, 62325, 67275, 82823, 90025, 95565, 159275, 162045, 248469, 270075, 286695, 414115, 477825, 745407, 810225, 1242345, 1433475, 2070575, 3727035, 6211725, 18635175]

約数ペア:

[(1, 18635175), (3, 6211725), (5, 3727035), (9, 2070575), (13, 1433475), (15, 1242345), (23, 810225), (25, 745407), (39, 477825), (45, 414115), (65, 286695), (69, 270075), (75, 248469), (115, 162045), (117, 159275), (195, 95565), (207, 90025), (225, 82823), (277, 67275), (299, 62325), (325, 57339), (345, 54015), (575, 32409), (585, 31855), (831, 22425), (897, 20775), (975, 19113), (1035, 18005), (1385, 13455), (1495, 12465), (1725, 10803), (2493, 7475), (2691, 6925), (2925, 6371), (3601, 5175), (4155, 4485)]