1247984955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1499}}^1$

素因数の和:2401

約数の個数: 64

約数和(自身を含む): 2540160000

約数和(自身を除く): 1292175045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 881, 945, 1499, 2643, 4405, 4497, 6167, 7495, 7929, 10493, 13215, 13491, 18501, 22485, 23787, 30835, 31479, 39645, 40473, 52465, 55503, 67455, 92505, 94437, 118935, 157395, 166509, 202365, 277515, 283311, 472185, 832545, 1320619, 1416555, 3961857, 6603095, 9244333, 11885571, 19809285, 27732999, 35656713, 46221665, 59427855, 83198997, 138664995, 178283565, 249596991, 415994985, 1247984955]

約数ペア:

[(1, 1247984955), (3, 415994985), (5, 249596991), (7, 178283565), (9, 138664995), (15, 83198997), (21, 59427855), (27, 46221665), (35, 35656713), (45, 27732999), (63, 19809285), (105, 11885571), (135, 9244333), (189, 6603095), (315, 3961857), (881, 1416555), (945, 1320619), (1499, 832545), (2643, 472185), (4405, 283311), (4497, 277515), (6167, 202365), (7495, 166509), (7929, 157395), (10493, 118935), (13215, 94437), (13491, 92505), (18501, 67455), (22485, 55503), (23787, 52465), (30835, 40473), (31479, 39645)]