64559397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 104140800

約数和(自身を除く): 39581403

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 399, 677, 717, 1673, 2031, 4541, 4739, 5019, 12863, 13623, 14217, 31787, 38589, 90041, 95361, 161803, 270123, 485409, 1132621, 3074257, 3397863, 9222771, 21519799, 64559397]

約数ペア:

[(1, 64559397), (3, 21519799), (7, 9222771), (19, 3397863), (21, 3074257), (57, 1132621), (133, 485409), (239, 270123), (399, 161803), (677, 95361), (717, 90041), (1673, 38589), (2031, 31787), (4541, 14217), (4739, 13623), (5019, 12863)]