12401991

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 22224384

約数和(自身を除く): 9822393

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 317, 483, 567, 621, 951, 1449, 1701, 1863, 2219, 2853, 4347, 5589, 6657, 7291, 8559, 13041, 19971, 21873, 25677, 39123, 51037, 59913, 65619, 77031, 153111, 179739, 196857, 459333, 539217, 590571, 1377999, 1771713, 4133997, 12401991]

約数ペア:

[(1, 12401991), (3, 4133997), (7, 1771713), (9, 1377999), (21, 590571), (23, 539217), (27, 459333), (63, 196857), (69, 179739), (81, 153111), (161, 77031), (189, 65619), (207, 59913), (243, 51037), (317, 39123), (483, 25677), (567, 21873), (621, 19971), (951, 13041), (1449, 8559), (1701, 7291), (1863, 6657), (2219, 5589), (2853, 4347)]