2178820329

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{52747}}^1$

素因数の和:53045

約数の個数: 24

約数和(自身を含む): 3391485408

約数和(自身を除く): 1212665079

約数列:

[1, 3, 7, 21, 49, 147, 281, 843, 1967, 5901, 13769, 41307, 52747, 158241, 369229, 1107687, 2584603, 7753809, 14821907, 44465721, 103753349, 311260047, 726273443, 2178820329]

約数ペア:

[(1, 2178820329), (3, 726273443), (7, 311260047), (21, 103753349), (49, 44465721), (147, 14821907), (281, 7753809), (843, 2584603), (1967, 1107687), (5901, 369229), (13769, 158241), (41307, 52747)]