17487939

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 27841536

約数和(自身を除く): 10353597

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 317, 497, 777, 951, 1491, 2219, 2627, 6657, 7881, 11729, 18389, 22507, 35187, 55167, 67521, 82103, 157549, 246309, 472647, 832759, 2498277, 5829313, 17487939]

約数ペア:

[(1, 17487939), (3, 5829313), (7, 2498277), (21, 832759), (37, 472647), (71, 246309), (111, 157549), (213, 82103), (259, 67521), (317, 55167), (497, 35187), (777, 22507), (951, 18389), (1491, 11729), (2219, 7881), (2627, 6657)]