16393257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2591}}^1$

素因数の和:2653

約数の個数: 24

約数和(自身を含む): 25608960

約数和(自身を除く): 9215703

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 2591, 6327, 7773, 23319, 49229, 95867, 147687, 287601, 443061, 862803, 1821473, 5464419, 16393257]

約数ペア:

[(1, 16393257), (3, 5464419), (9, 1821473), (19, 862803), (37, 443061), (57, 287601), (111, 147687), (171, 95867), (333, 49229), (703, 23319), (2109, 7773), (2591, 6327)]