39881721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 58868992

約数和(自身を除く): 18987271

約数列:

[1, 3, 11, 33, 121, 181, 363, 543, 607, 1821, 1991, 5973, 6677, 20031, 21901, 65703, 73447, 109867, 220341, 329601, 1208537, 3625611, 13293907, 39881721]

約数ペア:

[(1, 39881721), (3, 13293907), (11, 3625611), (33, 1208537), (121, 329601), (181, 220341), (363, 109867), (543, 73447), (607, 65703), (1821, 21901), (1991, 20031), (5973, 6677)]