64645287

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 100859904

約数和(自身を除く): 36214617

約数列:

[1, 3, 7, 21, 71, 191, 213, 227, 497, 573, 681, 1337, 1491, 1589, 4011, 4767, 13561, 16117, 40683, 43357, 48351, 94927, 112819, 130071, 284781, 303499, 338457, 910497, 3078347, 9235041, 21548429, 64645287]

約数ペア:

[(1, 64645287), (3, 21548429), (7, 9235041), (21, 3078347), (71, 910497), (191, 338457), (213, 303499), (227, 284781), (497, 130071), (573, 112819), (681, 94927), (1337, 48351), (1491, 43357), (1589, 40683), (4011, 16117), (4767, 13561)]