890673693

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{1993}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 1463245056

約数和(自身を除く): 572571363

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1637, 1993, 4911, 5979, 11459, 13951, 21281, 25909, 34377, 41853, 63843, 77727, 148967, 181363, 446901, 544089, 3262541, 9787623, 22837787, 42413033, 68513361, 127239099, 296891231, 890673693]

約数ペア:

[(1, 890673693), (3, 296891231), (7, 127239099), (13, 68513361), (21, 42413033), (39, 22837787), (91, 9787623), (273, 3262541), (1637, 544089), (1993, 446901), (4911, 181363), (5979, 148967), (11459, 77727), (13951, 63843), (21281, 41853), (25909, 34377)]