1721187

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 2743104

約数和(自身を除く): 1021917

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 313, 423, 611, 939, 1833, 2817, 4069, 5499, 12207, 14711, 36621, 44133, 132399, 191243, 573729, 1721187]

約数ペア:

[(1, 1721187), (3, 573729), (9, 191243), (13, 132399), (39, 44133), (47, 36621), (117, 14711), (141, 12207), (313, 5499), (423, 4069), (611, 2817), (939, 1833)]