2171259

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 3456000

約数和(自身を除く): 1284741

約数列:

[1, 3, 9, 27, 29, 47, 59, 87, 141, 177, 261, 423, 531, 783, 1269, 1363, 1593, 1711, 2773, 4089, 5133, 8319, 12267, 15399, 24957, 36801, 46197, 74871, 80417, 241251, 723753, 2171259]

約数ペア:

[(1, 2171259), (3, 723753), (9, 241251), (27, 80417), (29, 74871), (47, 46197), (59, 36801), (87, 24957), (141, 15399), (177, 12267), (261, 8319), (423, 5133), (531, 4089), (783, 2773), (1269, 1711), (1363, 1593)]