227948643

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 388846640

約数和(自身を除く): 160897997

約数列:

[1, 3, 9, 13, 19, 39, 41, 57, 61, 117, 123, 171, 183, 247, 369, 533, 549, 741, 779, 793, 1159, 1599, 1681, 2223, 2337, 2379, 2501, 3477, 4797, 5043, 7011, 7137, 7503, 10127, 10431, 15067, 15129, 21853, 22509, 30381, 31939, 32513, 45201, 47519, 65559, 91143, 95817, 97539, 102541, 135603, 142557, 196677, 287451, 292617, 307623, 415207, 427671, 617747, 922869, 1245621, 1333033, 1853241, 1948279, 3736863, 3999099, 5559723, 5844837, 11997297, 17534511, 25327627, 75982881, 227948643]

約数ペア:

[(1, 227948643), (3, 75982881), (9, 25327627), (13, 17534511), (19, 11997297), (39, 5844837), (41, 5559723), (57, 3999099), (61, 3736863), (117, 1948279), (123, 1853241), (171, 1333033), (183, 1245621), (247, 922869), (369, 617747), (533, 427671), (549, 415207), (741, 307623), (779, 292617), (793, 287451), (1159, 196677), (1599, 142557), (1681, 135603), (2223, 102541), (2337, 97539), (2379, 95817), (2501, 91143), (3477, 65559), (4797, 47519), (5043, 45201), (7011, 32513), (7137, 31939), (7503, 30381), (10127, 22509), (10431, 21853), (15067, 15129)]