2011990323

素因数分解:

$3^1\times 7^3\times {\mathrm{1955287}}^1$

素因数の和:1955311

約数の個数: 16

約数和(自身を含む): 3128460800

約数和(自身を除く): 1116470477

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1955287, 5865861, 13687009, 41061027, 95809063, 287427189, 670663441, 2011990323]

約数ペア:

[(1, 2011990323), (3, 670663441), (7, 287427189), (21, 95809063), (49, 41061027), (147, 13687009), (343, 5865861), (1029, 1955287)]