61540521

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{6863}}^1$

素因数の和:6941

約数の個数: 24

約数和(自身を含む): 97029504

約数和(自身を除く): 35488983

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 6863, 8967, 20589, 48041, 144123, 336287, 418643, 1008861, 1255929, 2930501, 8791503, 20513507, 61540521]

約数ペア:

[(1, 61540521), (3, 20513507), (7, 8791503), (21, 2930501), (49, 1255929), (61, 1008861), (147, 418643), (183, 336287), (427, 144123), (1281, 48041), (2989, 20589), (6863, 8967)]