209983428

素因数分解:

$2^2\times 3^4\times {\mathrm{648097}}^1$

素因数の和:648113

約数の個数: 30

約数和(自身を含む): 548939006

約数和(自身を除く): 338955578

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 648097, 1296194, 1944291, 2592388, 3888582, 5832873, 7777164, 11665746, 17498619, 23331492, 34997238, 52495857, 69994476, 104991714, 209983428]

約数ペア:

[(1, 209983428), (2, 104991714), (3, 69994476), (4, 52495857), (6, 34997238), (9, 23331492), (12, 17498619), (18, 11665746), (27, 7777164), (36, 5832873), (54, 3888582), (81, 2592388), (108, 1944291), (162, 1296194), (324, 648097)]