17990103

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 26046720

約数和(自身を除く): 8056617

約数列:

[1, 3, 37, 41, 59, 67, 111, 123, 177, 201, 1517, 2183, 2419, 2479, 2747, 3953, 4551, 6549, 7257, 7437, 8241, 11859, 89503, 101639, 146261, 162073, 268509, 304917, 438783, 486219, 5996701, 17990103]

約数ペア:

[(1, 17990103), (3, 5996701), (37, 486219), (41, 438783), (59, 304917), (67, 268509), (111, 162073), (123, 146261), (177, 101639), (201, 89503), (1517, 11859), (2183, 8241), (2419, 7437), (2479, 7257), (2747, 6549), (3953, 4551)]