31051917

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 51368856

約数和(自身を除く): 20316939

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 797, 999, 1053, 1443, 2391, 2997, 4329, 7173, 10361, 12987, 21519, 29489, 31083, 38961, 64557, 88467, 93249, 265401, 279747, 383357, 796203, 839241, 1150071, 2388609, 3450213, 10350639, 31051917]

約数ペア:

[(1, 31051917), (3, 10350639), (9, 3450213), (13, 2388609), (27, 1150071), (37, 839241), (39, 796203), (81, 383357), (111, 279747), (117, 265401), (333, 93249), (351, 88467), (481, 64557), (797, 38961), (999, 31083), (1053, 29489), (1443, 21519), (2391, 12987), (2997, 10361), (4329, 7173)]