321998679

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2053}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 493288640

約数和(自身を除く): 171289961

約数列:

[1, 3, 9, 27, 37, 111, 157, 333, 471, 999, 1413, 2053, 4239, 5809, 6159, 17427, 18477, 52281, 55431, 75961, 156843, 227883, 322321, 683649, 966963, 2050947, 2900889, 8702667, 11925877, 35777631, 107332893, 321998679]

約数ペア:

[(1, 321998679), (3, 107332893), (9, 35777631), (27, 11925877), (37, 8702667), (111, 2900889), (157, 2050947), (333, 966963), (471, 683649), (999, 322321), (1413, 227883), (2053, 156843), (4239, 75961), (5809, 55431), (6159, 52281), (17427, 18477)]