30666675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 55496448

約数和(自身を除く): 24829773

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 443, 923, 975, 1065, 1329, 1775, 2215, 2769, 4615, 5325, 5759, 6645, 11075, 13845, 17277, 23075, 28795, 31453, 33225, 69225, 86385, 94359, 143975, 157265, 408889, 431925, 471795, 786325, 1226667, 2044445, 2358975, 6133335, 10222225, 30666675]

約数ペア:

[(1, 30666675), (3, 10222225), (5, 6133335), (13, 2358975), (15, 2044445), (25, 1226667), (39, 786325), (65, 471795), (71, 431925), (75, 408889), (195, 157265), (213, 143975), (325, 94359), (355, 86385), (443, 69225), (923, 33225), (975, 31453), (1065, 28795), (1329, 23075), (1775, 17277), (2215, 13845), (2769, 11075), (4615, 6645), (5325, 5759)]