64171149

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 100122624

約数和(自身を除く): 35951475

約数列:

[1, 3, 7, 21, 71, 193, 213, 223, 497, 579, 669, 1351, 1491, 1561, 4053, 4683, 13703, 15833, 41109, 43039, 47499, 95921, 110831, 129117, 287763, 301273, 332493, 903819, 3055769, 9167307, 21390383, 64171149]

約数ペア:

[(1, 64171149), (3, 21390383), (7, 9167307), (21, 3055769), (71, 903819), (193, 332493), (213, 301273), (223, 287763), (497, 129117), (579, 110831), (669, 95921), (1351, 47499), (1491, 43039), (1561, 41109), (4053, 15833), (4683, 13703)]