331339617

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 576112680

約数和(自身を除く): 244773063

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 109, 113, 147, 183, 327, 339, 427, 441, 549, 763, 791, 981, 1017, 1281, 2289, 2373, 2989, 3843, 5341, 5537, 6649, 6867, 6893, 7119, 8967, 12317, 16023, 16611, 19947, 20679, 26901, 36951, 46543, 48069, 48251, 49833, 59841, 62037, 86219, 110853, 139629, 144753, 258657, 325801, 337757, 418887, 434259, 603533, 751337, 775971, 977403, 1013271, 1810599, 2254011, 2932209, 3039813, 5259359, 5431797, 6762033, 15778077, 36815513, 47334231, 110446539, 331339617]

約数ペア:

[(1, 331339617), (3, 110446539), (7, 47334231), (9, 36815513), (21, 15778077), (49, 6762033), (61, 5431797), (63, 5259359), (109, 3039813), (113, 2932209), (147, 2254011), (183, 1810599), (327, 1013271), (339, 977403), (427, 775971), (441, 751337), (549, 603533), (763, 434259), (791, 418887), (981, 337757), (1017, 325801), (1281, 258657), (2289, 144753), (2373, 139629), (2989, 110853), (3843, 86219), (5341, 62037), (5537, 59841), (6649, 49833), (6867, 48251), (6893, 48069), (7119, 46543), (8967, 36951), (12317, 26901), (16023, 20679), (16611, 19947)]