13515775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 20785872

約数和(自身を除く): 7270097

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 455, 457, 845, 1183, 2275, 2285, 3199, 4225, 5915, 5941, 11425, 15995, 29575, 29705, 41587, 77233, 79975, 148525, 207935, 386165, 540631, 1039675, 1930825, 2703155, 13515775]

約数ペア:

[(1, 13515775), (5, 2703155), (7, 1930825), (13, 1039675), (25, 540631), (35, 386165), (65, 207935), (91, 148525), (169, 79975), (175, 77233), (325, 41587), (455, 29705), (457, 29575), (845, 15995), (1183, 11425), (2275, 5941), (2285, 5915), (3199, 4225)]