28931463

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:916

約数の個数: 36

約数和(自身を含む): 47471424

約数和(自身を除く): 18539961

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 121, 279, 341, 363, 857, 1023, 1089, 2571, 3069, 3751, 7713, 9427, 11253, 26567, 28281, 33759, 79701, 84843, 103697, 239103, 292237, 311091, 876711, 933273, 2630133, 3214607, 9643821, 28931463]

約数ペア:

[(1, 28931463), (3, 9643821), (9, 3214607), (11, 2630133), (31, 933273), (33, 876711), (93, 311091), (99, 292237), (121, 239103), (279, 103697), (341, 84843), (363, 79701), (857, 33759), (1023, 28281), (1089, 26567), (2571, 11253), (3069, 9427), (3751, 7713)]