31197698427

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{254777}}^1$

素因数の和:254825

約数の個数: 40

約数和(自身を含む): 51381588816

約数和(自身を除く): 20183890389

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2401, 2499, 5831, 7203, 17493, 40817, 122451, 254777, 764331, 1783439, 4331209, 5350317, 12484073, 12993627, 30318463, 37452219, 87388511, 90955389, 212229241, 262165533, 611719577, 636687723, 1485604687, 1835158731, 4456814061, 10399232809, 31197698427]

約数ペア:

[(1, 31197698427), (3, 10399232809), (7, 4456814061), (17, 1835158731), (21, 1485604687), (49, 636687723), (51, 611719577), (119, 262165533), (147, 212229241), (343, 90955389), (357, 87388511), (833, 37452219), (1029, 30318463), (2401, 12993627), (2499, 12484073), (5831, 5350317), (7203, 4331209), (17493, 1783439), (40817, 764331), (122451, 254777)]