213366903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 308520960

約数和(自身を除く): 95154057

約数列:

[1, 3, 19, 43, 57, 129, 263, 331, 789, 817, 993, 2451, 4997, 6289, 11309, 14233, 14991, 18867, 33927, 42699, 87053, 214871, 261159, 270427, 644613, 811281, 1654007, 3743279, 4962021, 11229837, 71122301, 213366903]

約数ペア:

[(1, 213366903), (3, 71122301), (19, 11229837), (43, 4962021), (57, 3743279), (129, 1654007), (263, 811281), (331, 644613), (789, 270427), (817, 261159), (993, 214871), (2451, 87053), (4997, 42699), (6289, 33927), (11309, 18867), (14233, 14991)]