15500775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 27141120

約数和(自身を除く): 11640345

約数列:

[1, 3, 5, 15, 25, 31, 59, 75, 93, 113, 155, 177, 295, 339, 465, 565, 775, 885, 1475, 1695, 1829, 2325, 2825, 3503, 4425, 5487, 6667, 8475, 9145, 10509, 17515, 20001, 27435, 33335, 45725, 52545, 87575, 100005, 137175, 166675, 206677, 262725, 500025, 620031, 1033385, 3100155, 5166925, 15500775]

約数ペア:

[(1, 15500775), (3, 5166925), (5, 3100155), (15, 1033385), (25, 620031), (31, 500025), (59, 262725), (75, 206677), (93, 166675), (113, 137175), (155, 100005), (177, 87575), (295, 52545), (339, 45725), (465, 33335), (565, 27435), (775, 20001), (885, 17515), (1475, 10509), (1695, 9145), (1829, 8475), (2325, 6667), (2825, 5487), (3503, 4425)]