2191527891

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{105733}}^1$

素因数の和:105800

約数の個数: 36

約数和(自身を含む): 3760746912

約数和(自身を除く): 1569219021

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 20727, 105733, 317199, 740131, 951597, 2220393, 4969451, 5180917, 6661179, 14908353, 15542751, 34786157, 44725059, 46628253, 104358471, 243503099, 313075413, 730509297, 2191527891]

約数ペア:

[(1, 2191527891), (3, 730509297), (7, 313075413), (9, 243503099), (21, 104358471), (47, 46628253), (49, 44725059), (63, 34786157), (141, 15542751), (147, 14908353), (329, 6661179), (423, 5180917), (441, 4969451), (987, 2220393), (2303, 951597), (2961, 740131), (6909, 317199), (20727, 105733)]