220172979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{37889}}^1$

素因数の和:38054

約数の個数: 16

約数和(自身を含む): 318276000

約数和(自身を除く): 98103021

約数列:

[1, 3, 13, 39, 149, 447, 1937, 5811, 37889, 113667, 492557, 1477671, 5645461, 16936383, 73390993, 220172979]

約数ペア:

[(1, 220172979), (3, 73390993), (13, 16936383), (39, 5645461), (149, 1477671), (447, 492557), (1937, 113667), (5811, 37889)]