71923209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 103502880

約数和(自身を除く): 31579671

約数列:

[1, 3, 17, 51, 61, 183, 379, 1037, 1137, 3111, 3721, 6443, 11163, 19329, 23119, 63257, 69357, 189771, 393023, 1179069, 1410259, 4230777, 23974403, 71923209]

約数ペア:

[(1, 71923209), (3, 23974403), (17, 4230777), (51, 1410259), (61, 1179069), (183, 393023), (379, 189771), (1037, 69357), (1137, 63257), (3111, 23119), (3721, 19329), (6443, 11163)]