628875

素因数分解:

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

素因数の和:77

約数の個数: 48

約数和(自身を含む): 1249248

約数和(自身を除く): 620373

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 125, 129, 195, 215, 225, 325, 375, 387, 559, 585, 645, 975, 1075, 1125, 1625, 1677, 1935, 2795, 2925, 3225, 4875, 5031, 5375, 8385, 9675, 13975, 14625, 16125, 25155, 41925, 48375, 69875, 125775, 209625, 628875]

約数ペア:

[(1, 628875), (3, 209625), (5, 125775), (9, 69875), (13, 48375), (15, 41925), (25, 25155), (39, 16125), (43, 14625), (45, 13975), (65, 9675), (75, 8385), (117, 5375), (125, 5031), (129, 4875), (195, 3225), (215, 2925), (225, 2795), (325, 1935), (375, 1677), (387, 1625), (559, 1125), (585, 1075), (645, 975)]