320173485

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{17117}}^1$

素因数の和:17197

約数の個数: 32

約数和(自身を含む): 542298240

約数和(自身を除く): 222124755

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 6235, 17117, 18705, 51351, 85585, 256755, 496393, 736031, 1489179, 2208093, 2481965, 3680155, 7445895, 11040465, 21344899, 64034697, 106724495, 320173485]

約数ペア:

[(1, 320173485), (3, 106724495), (5, 64034697), (15, 21344899), (29, 11040465), (43, 7445895), (87, 3680155), (129, 2481965), (145, 2208093), (215, 1489179), (435, 736031), (645, 496393), (1247, 256755), (3741, 85585), (6235, 51351), (17117, 18705)]