87670233

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2671}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 145057536

約数和(自身を除く): 57387303

約数列:

[1, 3, 7, 9, 21, 63, 521, 1563, 2671, 3647, 4689, 8013, 10941, 18697, 24039, 32823, 56091, 168273, 1391591, 4174773, 9741137, 12524319, 29223411, 87670233]

約数ペア:

[(1, 87670233), (3, 29223411), (7, 12524319), (9, 9741137), (21, 4174773), (63, 1391591), (521, 168273), (1563, 56091), (2671, 32823), (3647, 24039), (4689, 18697), (8013, 10941)]