181380978

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{22543}}^1$

素因数の和:22703

約数の個数: 32

約数和(自身を含む): 405792000

約数和(自身を除く): 224411022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2682, 4023, 8046, 22543, 45086, 67629, 135258, 202887, 405774, 608661, 1217322, 3358907, 6717814, 10076721, 20153442, 30230163, 60460326, 90690489, 181380978]

約数ペア:

[(1, 181380978), (2, 90690489), (3, 60460326), (6, 30230163), (9, 20153442), (18, 10076721), (27, 6717814), (54, 3358907), (149, 1217322), (298, 608661), (447, 405774), (894, 202887), (1341, 135258), (2682, 67629), (4023, 45086), (8046, 22543)]