31908159

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 47416512

約数和(自身を除く): 15508353

約数列:

[1, 3, 9, 47, 141, 241, 313, 423, 723, 939, 2169, 2817, 11327, 14711, 33981, 44133, 75433, 101943, 132399, 226299, 678897, 3545351, 10636053, 31908159]

約数ペア:

[(1, 31908159), (3, 10636053), (9, 3545351), (47, 678897), (141, 226299), (241, 132399), (313, 101943), (423, 75433), (723, 44133), (939, 33981), (2169, 14711), (2817, 11327)]