123972147

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 201592800

約数和(自身を除く): 77620653

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 169, 269, 303, 351, 507, 807, 909, 1313, 1521, 2421, 2727, 3497, 3939, 4563, 7263, 10491, 11817, 17069, 27169, 31473, 35451, 45461, 51207, 81507, 94419, 136383, 153621, 244521, 353197, 409149, 460863, 733563, 1059591, 1227447, 3178773, 4591561, 9536319, 13774683, 41324049, 123972147]

約数ペア:

[(1, 123972147), (3, 41324049), (9, 13774683), (13, 9536319), (27, 4591561), (39, 3178773), (101, 1227447), (117, 1059591), (169, 733563), (269, 460863), (303, 409149), (351, 353197), (507, 244521), (807, 153621), (909, 136383), (1313, 94419), (1521, 81507), (2421, 51207), (2727, 45461), (3497, 35451), (3939, 31473), (4563, 27169), (7263, 17069), (10491, 11817)]