17870241

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 26864640

約数和(自身を除く): 8994399

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 317, 437, 817, 951, 989, 1311, 2451, 2967, 6023, 7291, 13631, 18069, 18791, 21873, 40893, 56373, 138529, 258989, 313513, 415587, 776967, 940539, 5956747, 17870241]

約数ペア:

[(1, 17870241), (3, 5956747), (19, 940539), (23, 776967), (43, 415587), (57, 313513), (69, 258989), (129, 138529), (317, 56373), (437, 40893), (817, 21873), (951, 18791), (989, 18069), (1311, 13631), (2451, 7291), (2967, 6023)]