85521681

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20261}}^1$

素因数の和:20341

約数の個数: 24

約数和(自身を含む): 143292864

約数和(自身を除く): 57771183

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 20261, 60783, 141827, 182349, 425481, 1276443, 1357487, 4072461, 9502409, 12217383, 28507227, 85521681]

約数ペア:

[(1, 85521681), (3, 28507227), (7, 12217383), (9, 9502409), (21, 4072461), (63, 1357487), (67, 1276443), (201, 425481), (469, 182349), (603, 141827), (1407, 60783), (4221, 20261)]