81635778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2339}}^1$

素因数の和:2631

約数の個数: 48

約数和(自身を含む): 202962240

約数和(自身を除く): 121326462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 831, 1662, 1939, 2339, 2493, 3878, 4678, 4986, 5817, 7017, 11634, 14034, 16373, 17451, 21051, 32746, 34902, 42102, 49119, 98238, 147357, 294714, 647903, 1295806, 1943709, 3887418, 4535321, 5831127, 9070642, 11662254, 13605963, 27211926, 40817889, 81635778]

約数ペア:

[(1, 81635778), (2, 40817889), (3, 27211926), (6, 13605963), (7, 11662254), (9, 9070642), (14, 5831127), (18, 4535321), (21, 3887418), (42, 1943709), (63, 1295806), (126, 647903), (277, 294714), (554, 147357), (831, 98238), (1662, 49119), (1939, 42102), (2339, 34902), (2493, 32746), (3878, 21051), (4678, 17451), (4986, 16373), (5817, 14034), (7017, 11634)]