72406173

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{15889}}^1$

素因数の和:15937

約数の個数: 24

約数和(自身を含む): 115933440

約数和(自身を除く): 43527267

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 15889, 47667, 111223, 333669, 492559, 778561, 1477677, 2335683, 3447913, 10343739, 24135391, 72406173]

約数ペア:

[(1, 72406173), (3, 24135391), (7, 10343739), (21, 3447913), (31, 2335683), (49, 1477677), (93, 778561), (147, 492559), (217, 333669), (651, 111223), (1519, 47667), (4557, 15889)]