31481211

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7699}}^1$

素因数の和:7778

約数の個数: 16

約数和(自身を含む): 44352000

約数和(自身を除く): 12870789

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 7699, 23097, 223271, 361853, 669813, 1085559, 10493737, 31481211]

約数ペア:

[(1, 31481211), (3, 10493737), (29, 1085559), (47, 669813), (87, 361853), (141, 223271), (1363, 23097), (4089, 7699)]