157420977

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 254097792

約数和(自身を除く): 96676815

約数列:

[1, 3, 7, 21, 37, 49, 103, 111, 147, 259, 281, 309, 721, 777, 843, 1813, 1967, 2163, 3811, 5047, 5439, 5901, 10397, 11433, 13769, 15141, 26677, 28943, 31191, 41307, 72779, 80031, 86829, 186739, 202601, 218337, 509453, 560217, 607803, 1070891, 1418207, 1528359, 3212673, 4254621, 7496237, 22488711, 52473659, 157420977]

約数ペア:

[(1, 157420977), (3, 52473659), (7, 22488711), (21, 7496237), (37, 4254621), (49, 3212673), (103, 1528359), (111, 1418207), (147, 1070891), (259, 607803), (281, 560217), (309, 509453), (721, 218337), (777, 202601), (843, 186739), (1813, 86829), (1967, 80031), (2163, 72779), (3811, 41307), (5047, 31191), (5439, 28943), (5901, 26677), (10397, 15141), (11433, 13769)]