12890007

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 20924904

約数和(自身を除く): 8034897

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 131, 261, 377, 393, 841, 1131, 1179, 1703, 2523, 3393, 3799, 5109, 7569, 10933, 11397, 15327, 32799, 34191, 49387, 98397, 110171, 148161, 330513, 444483, 991539, 1432223, 4296669, 12890007]

約数ペア:

[(1, 12890007), (3, 4296669), (9, 1432223), (13, 991539), (29, 444483), (39, 330513), (87, 148161), (117, 110171), (131, 98397), (261, 49387), (377, 34191), (393, 32799), (841, 15327), (1131, 11397), (1179, 10933), (1703, 7569), (2523, 5109), (3393, 3799)]