281946245

素因数分解:

$5^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{1741}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 394395768

約数和(自身を除く): 112449523

約数列:

[1, 5, 7, 35, 49, 245, 661, 1741, 3305, 4627, 8705, 12187, 23135, 32389, 60935, 85309, 161945, 426545, 1150801, 5754005, 8055607, 40278035, 56389249, 281946245]

約数ペア:

[(1, 281946245), (5, 56389249), (7, 40278035), (35, 8055607), (49, 5754005), (245, 1150801), (661, 426545), (1741, 161945), (3305, 85309), (4627, 60935), (8705, 32389), (12187, 23135)]