490063497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{21871}}^1$

素因数の和:21989

約数の個数: 32

約数和(自身を含む): 823087104

約数和(自身を除く): 333023607

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 1067, 2037, 3201, 7469, 21871, 22407, 65613, 153097, 240581, 459291, 721743, 1684067, 2121487, 5052201, 6364461, 14850409, 23336357, 44551227, 70009071, 163354499, 490063497]

約数ペア:

[(1, 490063497), (3, 163354499), (7, 70009071), (11, 44551227), (21, 23336357), (33, 14850409), (77, 6364461), (97, 5052201), (231, 2121487), (291, 1684067), (679, 721743), (1067, 459291), (2037, 240581), (3201, 153097), (7469, 65613), (21871, 22407)]