87401691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39317}}^1$

素因数の和:39355

約数の個数: 24

約数和(自身を含む): 143117520

約数和(自身を除く): 55715829

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 39317, 117951, 353853, 511121, 747023, 1533363, 2241069, 4600089, 6723207, 9711299, 29133897, 87401691]

約数ペア:

[(1, 87401691), (3, 29133897), (9, 9711299), (13, 6723207), (19, 4600089), (39, 2241069), (57, 1533363), (117, 747023), (171, 511121), (247, 353853), (741, 117951), (2223, 39317)]