1639446561

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{1723}}^1$

素因数の和:2443

約数の個数: 40

約数和(自身を含む): 2598371424

約数和(自身を除く): 958924863

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 691, 1377, 1723, 2073, 5169, 6219, 11747, 15507, 18657, 29291, 35241, 46521, 55971, 87873, 105723, 139563, 263619, 317169, 790857, 951507, 1190593, 2372571, 3571779, 10715337, 20240081, 32146011, 60720243, 96438033, 182160729, 546482187, 1639446561]

約数ペア:

[(1, 1639446561), (3, 546482187), (9, 182160729), (17, 96438033), (27, 60720243), (51, 32146011), (81, 20240081), (153, 10715337), (459, 3571779), (691, 2372571), (1377, 1190593), (1723, 951507), (2073, 790857), (5169, 317169), (6219, 263619), (11747, 139563), (15507, 105723), (18657, 87873), (29291, 55971), (35241, 46521)]