15212325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 26516160

約数和(自身を除く): 11303835

約数列:

[1, 3, 5, 15, 25, 43, 53, 75, 89, 129, 159, 215, 265, 267, 445, 645, 795, 1075, 1325, 1335, 2225, 2279, 3225, 3827, 3975, 4717, 6675, 6837, 11395, 11481, 14151, 19135, 23585, 34185, 56975, 57405, 70755, 95675, 117925, 170925, 202831, 287025, 353775, 608493, 1014155, 3042465, 5070775, 15212325]

約数ペア:

[(1, 15212325), (3, 5070775), (5, 3042465), (15, 1014155), (25, 608493), (43, 353775), (53, 287025), (75, 202831), (89, 170925), (129, 117925), (159, 95675), (215, 70755), (265, 57405), (267, 56975), (445, 34185), (645, 23585), (795, 19135), (1075, 14151), (1325, 11481), (1335, 11395), (2225, 6837), (2279, 6675), (3225, 4717), (3827, 3975)]