12481917

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 21067200

約数和(自身を除く): 8585283

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 109, 123, 133, 147, 287, 327, 399, 763, 779, 861, 931, 2009, 2071, 2289, 2337, 2793, 4469, 5341, 5453, 6027, 6213, 13407, 14497, 16023, 16359, 31283, 38171, 43491, 84911, 93849, 101479, 114513, 218981, 254733, 304437, 594377, 656943, 1783131, 4160639, 12481917]

約数ペア:

[(1, 12481917), (3, 4160639), (7, 1783131), (19, 656943), (21, 594377), (41, 304437), (49, 254733), (57, 218981), (109, 114513), (123, 101479), (133, 93849), (147, 84911), (287, 43491), (327, 38171), (399, 31283), (763, 16359), (779, 16023), (861, 14497), (931, 13407), (2009, 6213), (2071, 6027), (2289, 5453), (2337, 5341), (2793, 4469)]