31779189

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 52093440

約数和(自身を除く): 20314251

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 2447, 4329, 7341, 12987, 22023, 31811, 66069, 90539, 95433, 271617, 286299, 814851, 858897, 1177007, 2444553, 3531021, 10593063, 31779189]

約数ペア:

[(1, 31779189), (3, 10593063), (9, 3531021), (13, 2444553), (27, 1177007), (37, 858897), (39, 814851), (111, 286299), (117, 271617), (333, 95433), (351, 90539), (481, 66069), (999, 31811), (1443, 22023), (2447, 12987), (4329, 7341)]