65491749

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{907}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 96887232

約数和(自身を除く): 31395483

約数列:

[1, 3, 9, 71, 113, 213, 339, 639, 907, 1017, 2721, 8023, 8163, 24069, 64397, 72207, 102491, 193191, 307473, 579573, 922419, 7276861, 21830583, 65491749]

約数ペア:

[(1, 65491749), (3, 21830583), (9, 7276861), (71, 922419), (113, 579573), (213, 307473), (339, 193191), (639, 102491), (907, 72207), (1017, 64397), (2721, 24069), (8023, 8163)]