20151873

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 33696000

約数和(自身を除く): 13544127

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4049, 4977, 12147, 28343, 36441, 85029, 255087, 319871, 959613, 2239097, 2878839, 6717291, 20151873]

約数ペア:

[(1, 20151873), (3, 6717291), (7, 2878839), (9, 2239097), (21, 959613), (63, 319871), (79, 255087), (237, 85029), (553, 36441), (711, 28343), (1659, 12147), (4049, 4977)]