851712981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{6449}}^1$

素因数の和:6809

約数の個数: 32

約数和(自身を含む): 1370496000

約数和(自身を除く): 518783019

約数列:

[1, 3, 7, 19, 21, 57, 133, 331, 399, 993, 2317, 6289, 6449, 6951, 18867, 19347, 44023, 45143, 122531, 132069, 135429, 367593, 857717, 2134619, 2573151, 6403857, 14942333, 40557761, 44826999, 121673283, 283904327, 851712981]

約数ペア:

[(1, 851712981), (3, 283904327), (7, 121673283), (19, 44826999), (21, 40557761), (57, 14942333), (133, 6403857), (331, 2573151), (399, 2134619), (993, 857717), (2317, 367593), (6289, 135429), (6449, 132069), (6951, 122531), (18867, 45143), (19347, 44023)]