67942971

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 99881600

約数和(自身を除く): 31938629

約数列:

[1, 3, 9, 97, 223, 291, 349, 669, 873, 1047, 2007, 3141, 21631, 33853, 64893, 77827, 101559, 194679, 233481, 304677, 700443, 7549219, 22647657, 67942971]

約数ペア:

[(1, 67942971), (3, 22647657), (9, 7549219), (97, 700443), (223, 304677), (291, 233481), (349, 194679), (669, 101559), (873, 77827), (1047, 64893), (2007, 33853), (3141, 21631)]