40001859

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{521}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 61074000

約数和(自身を除く): 21072141

約数列:

[1, 3, 9, 19, 57, 171, 449, 521, 1347, 1563, 4041, 4689, 8531, 9899, 25593, 29697, 76779, 89091, 233929, 701787, 2105361, 4444651, 13333953, 40001859]

約数ペア:

[(1, 40001859), (3, 13333953), (9, 4444651), (19, 2105361), (57, 701787), (171, 233929), (449, 89091), (521, 76779), (1347, 29697), (1563, 25593), (4041, 9899), (4689, 8531)]