87128325

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4499

約数の個数: 48

約数和(自身を含む): 165614400

約数和(自身を除く): 78486075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 2175, 3915, 4451, 6525, 13353, 19575, 22255, 40059, 66765, 111275, 120177, 129079, 200295, 333825, 387237, 600885, 645395, 1001475, 1161711, 1936185, 3004425, 3226975, 3485133, 5808555, 9680925, 17425665, 29042775, 87128325]

約数ペア:

[(1, 87128325), (3, 29042775), (5, 17425665), (9, 9680925), (15, 5808555), (25, 3485133), (27, 3226975), (29, 3004425), (45, 1936185), (75, 1161711), (87, 1001475), (135, 645395), (145, 600885), (225, 387237), (261, 333825), (435, 200295), (675, 129079), (725, 120177), (783, 111275), (1305, 66765), (2175, 40059), (3915, 22255), (4451, 19575), (6525, 13353)]