155657313

素因数分解:

$3^2\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{2273}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 257307648

約数和(自身を除く): 101650335

約数列:

[1, 3, 7, 9, 21, 63, 1087, 2273, 3261, 6819, 7609, 9783, 15911, 20457, 22827, 47733, 68481, 143199, 2470751, 7412253, 17295257, 22236759, 51885771, 155657313]

約数ペア:

[(1, 155657313), (3, 51885771), (7, 22236759), (9, 17295257), (21, 7412253), (63, 2470751), (1087, 143199), (2273, 68481), (3261, 47733), (6819, 22827), (7609, 20457), (9783, 15911)]