890200929

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 1247431680

約数和(自身を除く): 357230751

約数列:

[1, 3, 31, 93, 109, 137, 327, 411, 641, 1923, 3379, 4247, 10137, 12741, 14933, 19871, 44799, 59613, 69869, 87817, 209607, 263451, 462923, 1388769, 2165939, 2722327, 6497817, 8166981, 9572053, 28716159, 296733643, 890200929]

約数ペア:

[(1, 890200929), (3, 296733643), (31, 28716159), (93, 9572053), (109, 8166981), (137, 6497817), (327, 2722327), (411, 2165939), (641, 1388769), (1923, 462923), (3379, 263451), (4247, 209607), (10137, 87817), (12741, 69869), (14933, 59613), (19871, 44799)]