31890978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{253103}}^1$

素因数の和:253118

約数の個数: 24

約数和(自身を含む): 78968448

約数和(自身を除く): 47077470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 253103, 506206, 759309, 1518618, 1771721, 2277927, 3543442, 4555854, 5315163, 10630326, 15945489, 31890978]

約数ペア:

[(1, 31890978), (2, 15945489), (3, 10630326), (6, 5315163), (7, 4555854), (9, 3543442), (14, 2277927), (18, 1771721), (21, 1518618), (42, 759309), (63, 506206), (126, 253103)]