12780369

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3559}}^1$

素因数の和:3594

約数の個数: 32

約数和(自身を含む): 22784000

約数和(自身を除く): 10003631

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3559, 3591, 10677, 24913, 32031, 67621, 74739, 96093, 202863, 224217, 473347, 608589, 672651, 1420041, 1825767, 4260123, 12780369]

約数ペア:

[(1, 12780369), (3, 4260123), (7, 1825767), (9, 1420041), (19, 672651), (21, 608589), (27, 473347), (57, 224217), (63, 202863), (133, 96093), (171, 74739), (189, 67621), (399, 32031), (513, 24913), (1197, 10677), (3559, 3591)]