1878939

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 2939040

約数和(自身を除く): 1060101

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 313, 667, 939, 2001, 2817, 6003, 7199, 9077, 21597, 27231, 64791, 81693, 208771, 626313, 1878939]

約数ペア:

[(1, 1878939), (3, 626313), (9, 208771), (23, 81693), (29, 64791), (69, 27231), (87, 21597), (207, 9077), (261, 7199), (313, 6003), (667, 2817), (939, 2001)]