15127225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 19641600

約数和(自身を除く): 4514375

約数列:

[1, 5, 25, 31, 131, 149, 155, 655, 745, 775, 3275, 3725, 4061, 4619, 19519, 20305, 23095, 97595, 101525, 115475, 487975, 605089, 3025445, 15127225]

約数ペア:

[(1, 15127225), (5, 3025445), (25, 605089), (31, 487975), (131, 115475), (149, 101525), (155, 97595), (655, 23095), (745, 20305), (775, 19519), (3275, 4619), (3725, 4061)]