31313718

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 72483840

約数和(自身を除く): 41170122

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1759, 1978, 2967, 3518, 5277, 5934, 8901, 10554, 15831, 17802, 31662, 40457, 75637, 80914, 121371, 151274, 226911, 242742, 364113, 453822, 680733, 728226, 1361466, 1739651, 3479302, 5218953, 10437906, 15656859, 31313718]

約数ペア:

[(1, 31313718), (2, 15656859), (3, 10437906), (6, 5218953), (9, 3479302), (18, 1739651), (23, 1361466), (43, 728226), (46, 680733), (69, 453822), (86, 364113), (129, 242742), (138, 226911), (207, 151274), (258, 121371), (387, 80914), (414, 75637), (774, 40457), (989, 31662), (1759, 17802), (1978, 15831), (2967, 10554), (3518, 8901), (5277, 5934)]