420914823

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{719}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 654243840

約数和(自身を除く): 233329017

約数列:

[1, 3, 7, 21, 61, 183, 427, 457, 719, 1281, 1371, 2157, 3199, 5033, 9597, 15099, 27877, 43859, 83631, 131577, 195139, 307013, 328583, 585417, 921039, 985749, 2300081, 6900243, 20043563, 60130689, 140304941, 420914823]

約数ペア:

[(1, 420914823), (3, 140304941), (7, 60130689), (21, 20043563), (61, 6900243), (183, 2300081), (427, 985749), (457, 921039), (719, 585417), (1281, 328583), (1371, 307013), (2157, 195139), (3199, 131577), (5033, 83631), (9597, 43859), (15099, 27877)]