7207875

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 13384800

約数和(自身を除く): 6176925

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 149, 215, 225, 375, 387, 447, 645, 745, 1075, 1125, 1341, 1935, 2235, 3225, 3725, 5375, 6407, 6705, 9675, 11175, 16125, 18625, 19221, 32035, 33525, 48375, 55875, 57663, 96105, 160175, 167625, 288315, 480525, 800875, 1441575, 2402625, 7207875]

約数ペア:

[(1, 7207875), (3, 2402625), (5, 1441575), (9, 800875), (15, 480525), (25, 288315), (43, 167625), (45, 160175), (75, 96105), (125, 57663), (129, 55875), (149, 48375), (215, 33525), (225, 32035), (375, 19221), (387, 18625), (447, 16125), (645, 11175), (745, 9675), (1075, 6705), (1125, 6407), (1341, 5375), (1935, 3725), (2235, 3225)]