22178325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 42240352

約数和(自身を除く): 20062027

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 43, 65, 69, 75, 115, 129, 195, 215, 299, 325, 345, 529, 559, 575, 645, 897, 975, 989, 1075, 1495, 1587, 1677, 1725, 2645, 2795, 2967, 3225, 4485, 4945, 6877, 7475, 7935, 8385, 12857, 13225, 13975, 14835, 20631, 22425, 22747, 24725, 34385, 38571, 39675, 41925, 64285, 68241, 74175, 103155, 113735, 171925, 192855, 295711, 321425, 341205, 515775, 568675, 887133, 964275, 1478555, 1706025, 4435665, 7392775, 22178325]

約数ペア:

[(1, 22178325), (3, 7392775), (5, 4435665), (13, 1706025), (15, 1478555), (23, 964275), (25, 887133), (39, 568675), (43, 515775), (65, 341205), (69, 321425), (75, 295711), (115, 192855), (129, 171925), (195, 113735), (215, 103155), (299, 74175), (325, 68241), (345, 64285), (529, 41925), (559, 39675), (575, 38571), (645, 34385), (897, 24725), (975, 22747), (989, 22425), (1075, 20631), (1495, 14835), (1587, 13975), (1677, 13225), (1725, 12857), (2645, 8385), (2795, 7935), (2967, 7475), (3225, 6877), (4485, 4945)]