81830735

素因数分解:

$5^1\times 7^2\times {\mathrm{569}}^1\times {\mathrm{587}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 114624720

約数和(自身を除く): 32793985

約数列:

[1, 5, 7, 35, 49, 245, 569, 587, 2845, 2935, 3983, 4109, 19915, 20545, 27881, 28763, 139405, 143815, 334003, 1670015, 2338021, 11690105, 16366147, 81830735]

約数ペア:

[(1, 81830735), (5, 16366147), (7, 11690105), (35, 2338021), (49, 1670015), (245, 334003), (569, 143815), (587, 139405), (2845, 28763), (2935, 27881), (3983, 20545), (4109, 19915)]