31388181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3701}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 45845568

約数和(自身を除く): 14457387

約数列:

[1, 3, 11, 33, 257, 771, 2827, 3701, 8481, 11103, 40711, 122133, 951157, 2853471, 10462727, 31388181]

約数ペア:

[(1, 31388181), (3, 10462727), (11, 2853471), (33, 951157), (257, 122133), (771, 40711), (2827, 11103), (3701, 8481)]