785371383

素因数分解:

$3^9\times {\mathrm{39901}}^1$

素因数の和:39928

約数の個数: 20

約数和(自身を含む): 1178066648

約数和(自身を除く): 392695265

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 39901, 119703, 359109, 1077327, 3231981, 9695943, 29087829, 87263487, 261790461, 785371383]

約数ペア:

[(1, 785371383), (3, 261790461), (9, 87263487), (27, 29087829), (81, 9695943), (243, 3231981), (729, 1077327), (2187, 359109), (6561, 119703), (19683, 39901)]