3978927

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 18

約数和(自身を含む): 5913336

約数和(自身を除く): 1934409

約数列:

[1, 3, 9, 41, 123, 263, 369, 789, 1681, 2367, 5043, 10783, 15129, 32349, 97047, 442103, 1326309, 3978927]

約数ペア:

[(1, 3978927), (3, 1326309), (9, 442103), (41, 97047), (123, 32349), (263, 15129), (369, 10783), (789, 5043), (1681, 2367)]