389949093

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2693}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 600007680

約数和(自身を除く): 210058587

約数列:

[1, 3, 9, 27, 31, 93, 173, 279, 519, 837, 1557, 2693, 4671, 5363, 8079, 16089, 24237, 48267, 72711, 83483, 144801, 250449, 465889, 751347, 1397667, 2254041, 4193001, 12579003, 14442559, 43327677, 129983031, 389949093]

約数ペア:

[(1, 389949093), (3, 129983031), (9, 43327677), (27, 14442559), (31, 12579003), (93, 4193001), (173, 2254041), (279, 1397667), (519, 751347), (837, 465889), (1557, 250449), (2693, 144801), (4671, 83483), (5363, 72711), (8079, 48267), (16089, 24237)]