13151781

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 21196800

約数和(自身を除く): 8045019

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 827, 837, 1767, 2481, 5301, 7443, 15713, 15903, 22329, 25637, 47139, 76911, 141417, 230733, 424251, 487103, 692199, 1461309, 4383927, 13151781]

約数ペア:

[(1, 13151781), (3, 4383927), (9, 1461309), (19, 692199), (27, 487103), (31, 424251), (57, 230733), (93, 141417), (171, 76911), (279, 47139), (513, 25637), (589, 22329), (827, 15903), (837, 15713), (1767, 7443), (2481, 5301)]