17997951

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 26991360

約数和(自身を除く): 8993409

約数列:

[1, 3, 17, 29, 43, 51, 87, 129, 283, 493, 731, 849, 1247, 1479, 2193, 3741, 4811, 8207, 12169, 14433, 21199, 24621, 36507, 63597, 139519, 206873, 352901, 418557, 620619, 1058703, 5999317, 17997951]

約数ペア:

[(1, 17997951), (3, 5999317), (17, 1058703), (29, 620619), (43, 418557), (51, 352901), (87, 206873), (129, 139519), (283, 63597), (493, 36507), (731, 24621), (849, 21199), (1247, 14433), (1479, 12169), (2193, 8207), (3741, 4811)]