31097913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7919}}^1$

素因数の和:7957

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 23645127

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 7919, 23757, 55433, 87109, 134623, 166299, 261327, 403869, 609763, 942361, 1480853, 1829289, 2827083, 4442559, 10365971, 31097913]

約数ペア:

[(1, 31097913), (3, 10365971), (7, 4442559), (11, 2827083), (17, 1829289), (21, 1480853), (33, 942361), (51, 609763), (77, 403869), (119, 261327), (187, 166299), (231, 134623), (357, 87109), (561, 55433), (1309, 23757), (3927, 7919)]