157515841

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 188521344

約数和(自身を除く): 31005503

約数列:

[1, 7, 49, 53, 131, 371, 463, 917, 2597, 3241, 6419, 6943, 22687, 24539, 48601, 60653, 171773, 340207, 424571, 1202411, 2971997, 3214609, 22502263, 157515841]

約数ペア:

[(1, 157515841), (7, 22502263), (49, 3214609), (53, 2971997), (131, 1202411), (371, 424571), (463, 340207), (917, 171773), (2597, 60653), (3241, 48601), (6419, 24539), (6943, 22687)]