1889759997

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{8863}}^1$

素因数の和:9074

約数の個数: 32

約数和(自身を含む): 2871936000

約数和(自身を除く): 982176003

約数列:

[1, 3, 9, 27, 53, 149, 159, 447, 477, 1341, 1431, 4023, 7897, 8863, 23691, 26589, 71073, 79767, 213219, 239301, 469739, 1320587, 1409217, 3961761, 4227651, 11885283, 12682953, 35655849, 69991111, 209973333, 629919999, 1889759997]

約数ペア:

[(1, 1889759997), (3, 629919999), (9, 209973333), (27, 69991111), (53, 35655849), (149, 12682953), (159, 11885283), (447, 4227651), (477, 3961761), (1341, 1409217), (1431, 1320587), (4023, 469739), (7897, 239301), (8863, 213219), (23691, 79767), (26589, 71073)]