64136751

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 100950528

約数和(自身を除く): 36813777

約数列:

[1, 3, 7, 21, 41, 123, 163, 287, 457, 489, 861, 1141, 1371, 3199, 3423, 6683, 9597, 18737, 20049, 46781, 56211, 74491, 131159, 140343, 223473, 393477, 521437, 1564311, 3054131, 9162393, 21378917, 64136751]

約数ペア:

[(1, 64136751), (3, 21378917), (7, 9162393), (21, 3054131), (41, 1564311), (123, 521437), (163, 393477), (287, 223473), (457, 140343), (489, 131159), (861, 74491), (1141, 56211), (1371, 46781), (3199, 20049), (3423, 18737), (6683, 9597)]