31081225

素因数分解:

$5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1831}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 44524928

約数和(自身を除く): 13443703

約数列:

[1, 5, 7, 25, 35, 97, 175, 485, 679, 1831, 2425, 3395, 9155, 12817, 16975, 45775, 64085, 177607, 320425, 888035, 1243249, 4440175, 6216245, 31081225]

約数ペア:

[(1, 31081225), (5, 6216245), (7, 4440175), (25, 1243249), (35, 888035), (97, 320425), (175, 177607), (485, 64085), (679, 45775), (1831, 16975), (2425, 12817), (3395, 9155)]