201289857

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 288798720

約数和(自身を除く): 87508863

約数列:

[1, 3, 19, 57, 83, 157, 249, 271, 471, 813, 1577, 2983, 4731, 5149, 8949, 13031, 15447, 22493, 39093, 42547, 67479, 127641, 247589, 427367, 742767, 808393, 1282101, 2425179, 3531401, 10594203, 67096619, 201289857]

約数ペア:

[(1, 201289857), (3, 67096619), (19, 10594203), (57, 3531401), (83, 2425179), (157, 1282101), (249, 808393), (271, 742767), (471, 427367), (813, 247589), (1577, 127641), (2983, 67479), (4731, 42547), (5149, 39093), (8949, 22493), (13031, 15447)]