66871647

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 99403200

約数和(自身を除く): 32531553

約数列:

[1, 3, 9, 47, 141, 149, 423, 447, 1061, 1341, 3183, 7003, 9549, 21009, 49867, 63027, 149601, 158089, 448803, 474267, 1422801, 7430183, 22290549, 66871647]

約数ペア:

[(1, 66871647), (3, 22290549), (9, 7430183), (47, 1422801), (141, 474267), (149, 448803), (423, 158089), (447, 149601), (1061, 63027), (1341, 49867), (3183, 21009), (7003, 9549)]