12921327

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 19943040

約数和(自身を除く): 7021713

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 1597, 2697, 4791, 8091, 14373, 46313, 49507, 138939, 148521, 416817, 445563, 1435703, 4307109, 12921327]

約数ペア:

[(1, 12921327), (3, 4307109), (9, 1435703), (29, 445563), (31, 416817), (87, 148521), (93, 138939), (261, 49507), (279, 46313), (899, 14373), (1597, 8091), (2697, 4791)]