90881679

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 145152000

約数和(自身を除く): 54270321

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 553, 609, 1659, 1889, 2291, 5667, 6873, 13223, 16037, 39669, 48111, 54781, 149231, 164343, 383467, 447693, 1044617, 1150401, 3133851, 4327699, 12983097, 30293893, 90881679]

約数ペア:

[(1, 90881679), (3, 30293893), (7, 12983097), (21, 4327699), (29, 3133851), (79, 1150401), (87, 1044617), (203, 447693), (237, 383467), (553, 164343), (609, 149231), (1659, 54781), (1889, 48111), (2291, 39669), (5667, 16037), (6873, 13223)]