1255200057

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 1925073216

約数和(自身を除く): 669873159

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 557, 647, 1161, 1671, 1941, 3483, 5013, 5823, 15039, 17469, 23951, 27821, 45117, 52407, 71853, 83463, 215559, 250389, 360379, 646677, 751167, 1081137, 1940031, 2253501, 3243411, 9730233, 15496297, 29190699, 46488891, 139466673, 418400019, 1255200057]

約数ペア:

[(1, 1255200057), (3, 418400019), (9, 139466673), (27, 46488891), (43, 29190699), (81, 15496297), (129, 9730233), (387, 3243411), (557, 2253501), (647, 1940031), (1161, 1081137), (1671, 751167), (1941, 646677), (3483, 360379), (5013, 250389), (5823, 215559), (15039, 83463), (17469, 71853), (23951, 52407), (27821, 45117)]