890403927

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1\times {\mathrm{1223}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 1396104192

約数和(自身を除く): 505700265

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 937, 1223, 2811, 3669, 6559, 8561, 19677, 25683, 34669, 45251, 104007, 135753, 242683, 316757, 728049, 950271, 1145951, 3437853, 8021657, 24064971, 42400187, 127200561, 296801309, 890403927]

約数ペア:

[(1, 890403927), (3, 296801309), (7, 127200561), (21, 42400187), (37, 24064971), (111, 8021657), (259, 3437853), (777, 1145951), (937, 950271), (1223, 728049), (2811, 316757), (3669, 242683), (6559, 135753), (8561, 104007), (19677, 45251), (25683, 34669)]