28111281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 14466639

約数列:

[1, 3, 11, 33, 41, 79, 123, 237, 263, 451, 789, 869, 1353, 2607, 2893, 3239, 8679, 9717, 10783, 20777, 32349, 35629, 62331, 106887, 118613, 228547, 355839, 685641, 851857, 2555571, 9370427, 28111281]

約数ペア:

[(1, 28111281), (3, 9370427), (11, 2555571), (33, 851857), (41, 685641), (79, 355839), (123, 228547), (237, 118613), (263, 106887), (451, 62331), (789, 35629), (869, 32349), (1353, 20777), (2607, 10783), (2893, 9717), (3239, 8679)]