277701879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{6827}}^1$

素因数の和:6999

約数の個数: 32

約数和(自身を含む): 458841600

約数和(自身を除く): 181139721

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 3129, 5811, 6827, 13559, 20481, 40677, 47789, 88751, 143367, 266253, 621257, 1017223, 1863771, 3051669, 7120561, 13223899, 21361683, 39671697, 92567293, 277701879]

約数ペア:

[(1, 277701879), (3, 92567293), (7, 39671697), (13, 21361683), (21, 13223899), (39, 7120561), (91, 3051669), (149, 1863771), (273, 1017223), (447, 621257), (1043, 266253), (1937, 143367), (3129, 88751), (5811, 47789), (6827, 40677), (13559, 20481)]