18265149

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 31130880

約数和(自身を除く): 12865731

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 401, 723, 1203, 1687, 2169, 2807, 3609, 5061, 6507, 8421, 10827, 15183, 25263, 45549, 75789, 96641, 289923, 676487, 869769, 2029461, 2609307, 6088383, 18265149]

約数ペア:

[(1, 18265149), (3, 6088383), (7, 2609307), (9, 2029461), (21, 869769), (27, 676487), (63, 289923), (189, 96641), (241, 75789), (401, 45549), (723, 25263), (1203, 15183), (1687, 10827), (2169, 8421), (2807, 6507), (3609, 5061)]