87970827

素因数分解:

$3^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{1579}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 136891200

約数和(自身を除く): 48920373

約数列:

[1, 3, 7, 21, 49, 147, 379, 1137, 1579, 2653, 4737, 7959, 11053, 18571, 33159, 55713, 77371, 232113, 598441, 1795323, 4189087, 12567261, 29323609, 87970827]

約数ペア:

[(1, 87970827), (3, 29323609), (7, 12567261), (21, 4189087), (49, 1795323), (147, 598441), (379, 232113), (1137, 77371), (1579, 55713), (2653, 33159), (4737, 18571), (7959, 11053)]