81803148

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139121}}^1$

素因数の和:139142

約数の個数: 36

約数和(自身を含む): 222038712

約数和(自身を除く): 140235564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 139121, 278242, 417363, 556484, 834726, 973847, 1669452, 1947694, 2921541, 3895388, 5843082, 6816929, 11686164, 13633858, 20450787, 27267716, 40901574, 81803148]

約数ペア:

[(1, 81803148), (2, 40901574), (3, 27267716), (4, 20450787), (6, 13633858), (7, 11686164), (12, 6816929), (14, 5843082), (21, 3895388), (28, 2921541), (42, 1947694), (49, 1669452), (84, 973847), (98, 834726), (147, 556484), (196, 417363), (294, 278242), (588, 139121)]