71518209

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109859}}^1$

素因数の和:109900

約数の個数: 16

約数和(自身を含む): 112496640

約数和(自身を除く): 40978431

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 109859, 329577, 769013, 2307039, 3405629, 10216887, 23839403, 71518209]

約数ペア:

[(1, 71518209), (3, 23839403), (7, 10216887), (21, 3405629), (31, 2307039), (93, 769013), (217, 329577), (651, 109859)]