2015987799

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1\times {\mathrm{2371}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 3236546560

約数和(自身を除く): 1220558761

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2131, 2371, 6393, 7113, 14917, 16597, 40489, 44751, 45049, 49791, 121467, 135147, 283423, 315343, 850269, 946029, 5052601, 15157803, 35368207, 95999419, 106104621, 287998257, 671995933, 2015987799]

約数ペア:

[(1, 2015987799), (3, 671995933), (7, 287998257), (19, 106104621), (21, 95999419), (57, 35368207), (133, 15157803), (399, 5052601), (2131, 946029), (2371, 850269), (6393, 315343), (7113, 283423), (14917, 135147), (16597, 121467), (40489, 49791), (44751, 45049)]