8661681

素因数分解:

$3^3\times 7^2\times {\mathrm{6547}}^1$

素因数の和:6570

約数の個数: 24

約数和(自身を含む): 14929440

約数和(自身を除く): 6267759

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 6547, 19641, 45829, 58923, 137487, 176769, 320803, 412461, 962409, 1237383, 2887227, 8661681]

約数ペア:

[(1, 8661681), (3, 2887227), (7, 1237383), (9, 962409), (21, 412461), (27, 320803), (49, 176769), (63, 137487), (147, 58923), (189, 45829), (441, 19641), (1323, 6547)]