858621787

素因数分解:

${\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 917087136

約数和(自身を除く): 58465349

約数列:

[1, 31, 61, 97, 151, 961, 1891, 3007, 4681, 5917, 9211, 14647, 58621, 93217, 145111, 183427, 285541, 454057, 893467, 5686237, 8851771, 14075767, 27697477, 858621787]

約数ペア:

[(1, 858621787), (31, 27697477), (61, 14075767), (97, 8851771), (151, 5686237), (961, 893467), (1891, 454057), (3007, 285541), (4681, 183427), (5917, 145111), (9211, 93217), (14647, 58621)]