20783529

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4801}}^1$

素因数の和:4857

約数の個数: 24

約数和(自身を含む): 33210632

約数和(自身を除く): 12427103

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4801, 14403, 43209, 62413, 177637, 187239, 532911, 561717, 1598733, 2309281, 6927843, 20783529]

約数ペア:

[(1, 20783529), (3, 6927843), (9, 2309281), (13, 1598733), (37, 561717), (39, 532911), (111, 187239), (117, 177637), (333, 62413), (481, 43209), (1443, 14403), (4329, 4801)]