987331317

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1\times {\mathrm{827}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 1520870400

約数和(自身を除く): 533539083

約数列:

[1, 3, 7, 21, 139, 409, 417, 827, 973, 1227, 2481, 2863, 2919, 5789, 8589, 17367, 56851, 114953, 170553, 338243, 344859, 397957, 804671, 1014729, 1193871, 2367701, 2414013, 7103103, 47015777, 141047331, 329110439, 987331317]

約数ペア:

[(1, 987331317), (3, 329110439), (7, 141047331), (21, 47015777), (139, 7103103), (409, 2414013), (417, 2367701), (827, 1193871), (973, 1014729), (1227, 804671), (2481, 397957), (2863, 344859), (2919, 338243), (5789, 170553), (8589, 114953), (17367, 56851)]