15165591

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 24576000

約数和(自身を除く): 9410409

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 199, 399, 573, 597, 1337, 1393, 3629, 3781, 4011, 4179, 10887, 11343, 25403, 26467, 38009, 76209, 79401, 114027, 266063, 722171, 798189, 2166513, 5055197, 15165591]

約数ペア:

[(1, 15165591), (3, 5055197), (7, 2166513), (19, 798189), (21, 722171), (57, 266063), (133, 114027), (191, 79401), (199, 76209), (399, 38009), (573, 26467), (597, 25403), (1337, 11343), (1393, 10887), (3629, 4179), (3781, 4011)]