71065281

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 110860288

約数和(自身を除く): 39795007

約数列:

[1, 3, 7, 21, 73, 151, 219, 307, 453, 511, 921, 1057, 1533, 2149, 3171, 6447, 11023, 22411, 33069, 46357, 67233, 77161, 139071, 156877, 231483, 324499, 470631, 973497, 3384061, 10152183, 23688427, 71065281]

約数ペア:

[(1, 71065281), (3, 23688427), (7, 10152183), (21, 3384061), (73, 973497), (151, 470631), (219, 324499), (307, 231483), (453, 156877), (511, 139071), (921, 77161), (1057, 67233), (1533, 46357), (2149, 33069), (3171, 22411), (6447, 11023)]