278564481

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25601}}^1$

素因数の和:25654

約数の個数: 32

約数和(自身を含む): 458787840

約数和(自身を除く): 180223359

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 3627, 10881, 25601, 76803, 230409, 332813, 691227, 793631, 998439, 2380893, 2995317, 7142679, 8985951, 10317203, 21428037, 30951609, 92854827, 278564481]

約数ペア:

[(1, 278564481), (3, 92854827), (9, 30951609), (13, 21428037), (27, 10317203), (31, 8985951), (39, 7142679), (93, 2995317), (117, 2380893), (279, 998439), (351, 793631), (403, 691227), (837, 332813), (1209, 230409), (3627, 76803), (10881, 25601)]