156905229

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{557}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 233985024

約数和(自身を除く): 77079795

約数列:

[1, 3, 13, 31, 39, 93, 233, 403, 557, 699, 1209, 1671, 3029, 7223, 7241, 9087, 17267, 21669, 21723, 51801, 93899, 129781, 224471, 281697, 389343, 673413, 1687153, 4023211, 5061459, 12069633, 52301743, 156905229]

約数ペア:

[(1, 156905229), (3, 52301743), (13, 12069633), (31, 5061459), (39, 4023211), (93, 1687153), (233, 673413), (403, 389343), (557, 281697), (699, 224471), (1209, 129781), (1671, 93899), (3029, 51801), (7223, 21723), (7241, 21669), (9087, 17267)]