28199019

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{691}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 38441984

約数和(自身を除く): 10242965

約数列:

[1, 3, 61, 183, 223, 669, 691, 2073, 13603, 40809, 42151, 126453, 154093, 462279, 9399673, 28199019]

約数ペア:

[(1, 28199019), (3, 9399673), (61, 462279), (183, 154093), (223, 126453), (669, 42151), (691, 40809), (2073, 13603)]