20171864025

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{235309}}^1$

素因数の和:235455

約数の個数: 48

約数和(自身を含む): 37348403200

約数和(自身を除く): 17176539175

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 381, 635, 675, 1143, 1905, 3175, 3429, 5715, 9525, 17145, 28575, 85725, 235309, 705927, 1176545, 2117781, 3529635, 5882725, 6353343, 10588905, 17648175, 29884243, 31766715, 52944525, 89652729, 149421215, 158833575, 268958187, 448263645, 747106075, 806874561, 1344790935, 2241318225, 4034372805, 6723954675, 20171864025]

約数ペア:

[(1, 20171864025), (3, 6723954675), (5, 4034372805), (9, 2241318225), (15, 1344790935), (25, 806874561), (27, 747106075), (45, 448263645), (75, 268958187), (127, 158833575), (135, 149421215), (225, 89652729), (381, 52944525), (635, 31766715), (675, 29884243), (1143, 17648175), (1905, 10588905), (3175, 6353343), (3429, 5882725), (5715, 3529635), (9525, 2117781), (17145, 1176545), (28575, 705927), (85725, 235309)]