2016972321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1\times {\mathrm{3467}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 3312411648

約数和(自身を除く): 1295439327

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2131, 3467, 6393, 10401, 14917, 24269, 27703, 44751, 45071, 72807, 83109, 135213, 193921, 315497, 581763, 946491, 7388177, 22164531, 51717239, 96046301, 155151717, 288138903, 672324107, 2016972321]

約数ペア:

[(1, 2016972321), (3, 672324107), (7, 288138903), (13, 155151717), (21, 96046301), (39, 51717239), (91, 22164531), (273, 7388177), (2131, 946491), (3467, 581763), (6393, 315497), (10401, 193921), (14917, 135213), (24269, 83109), (27703, 72807), (44751, 45071)]