72850161

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 103473504

約数和(自身を除く): 30623343

約数列:

[1, 3, 19, 57, 137, 361, 411, 491, 1083, 1473, 2603, 7809, 9329, 27987, 49457, 67267, 148371, 177251, 201801, 531753, 1278073, 3834219, 24283387, 72850161]

約数ペア:

[(1, 72850161), (3, 24283387), (19, 3834219), (57, 1278073), (137, 531753), (361, 201801), (411, 177251), (491, 148371), (1083, 67267), (1473, 49457), (2603, 27987), (7809, 9329)]