12785913

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 21815040

約数和(自身を除く): 9029127

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 367, 441, 553, 711, 1101, 1659, 2569, 3303, 3871, 4977, 7707, 11613, 17983, 23121, 28993, 34839, 53949, 86979, 161847, 202951, 260937, 608853, 1420657, 1826559, 4261971, 12785913]

約数ペア:

[(1, 12785913), (3, 4261971), (7, 1826559), (9, 1420657), (21, 608853), (49, 260937), (63, 202951), (79, 161847), (147, 86979), (237, 53949), (367, 34839), (441, 28993), (553, 23121), (711, 17983), (1101, 11613), (1659, 7707), (2569, 4977), (3303, 3871)]