8129205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 16308864

約数和(自身を除く): 8179659

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 197, 315, 393, 591, 655, 917, 985, 1179, 1379, 1773, 1965, 2751, 2955, 4137, 4585, 5895, 6895, 8253, 8865, 12411, 13755, 20685, 25807, 41265, 62055, 77421, 129035, 180649, 232263, 387105, 541947, 903245, 1161315, 1625841, 2709735, 8129205]

約数ペア:

[(1, 8129205), (3, 2709735), (5, 1625841), (7, 1161315), (9, 903245), (15, 541947), (21, 387105), (35, 232263), (45, 180649), (63, 129035), (105, 77421), (131, 62055), (197, 41265), (315, 25807), (393, 20685), (591, 13755), (655, 12411), (917, 8865), (985, 8253), (1179, 6895), (1379, 5895), (1773, 4585), (1965, 4137), (2751, 2955)]