289322277

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 405212544

約数和(自身を除く): 115890267

約数列:

[1, 3, 37, 101, 111, 131, 197, 303, 393, 591, 3737, 4847, 7289, 11211, 13231, 14541, 19897, 21867, 25807, 39693, 59691, 77421, 489547, 736189, 954859, 1468641, 2208567, 2606507, 2864577, 7819521, 96440759, 289322277]

約数ペア:

[(1, 289322277), (3, 96440759), (37, 7819521), (101, 2864577), (111, 2606507), (131, 2208567), (197, 1468641), (303, 954859), (393, 736189), (591, 489547), (3737, 77421), (4847, 59691), (7289, 39693), (11211, 25807), (13231, 21867), (14541, 19897)]