15581005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 21669120

約数和(自身を除く): 6088115

約数列:

[1, 5, 11, 23, 55, 109, 113, 115, 253, 545, 565, 1199, 1243, 1265, 2507, 2599, 5995, 6215, 12317, 12535, 12995, 27577, 28589, 61585, 135487, 137885, 142945, 283291, 677435, 1416455, 3116201, 15581005]

約数ペア:

[(1, 15581005), (5, 3116201), (11, 1416455), (23, 677435), (55, 283291), (109, 142945), (113, 137885), (115, 135487), (253, 61585), (545, 28589), (565, 27577), (1199, 12995), (1243, 12535), (1265, 12317), (2507, 6215), (2599, 5995)]