39891215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 59773056

約数和(自身を除く): 19881841

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 1201, 2555, 4745, 6005, 6643, 8407, 15613, 33215, 42035, 78065, 87673, 109291, 438365, 546455, 613711, 1139749, 3068555, 5698745, 7978243, 39891215]

約数ペア:

[(1, 39891215), (5, 7978243), (7, 5698745), (13, 3068555), (35, 1139749), (65, 613711), (73, 546455), (91, 438365), (365, 109291), (455, 87673), (511, 78065), (949, 42035), (1201, 33215), (2555, 15613), (4745, 8407), (6005, 6643)]