71801865

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38917}}^1$

素因数の和:38969

約数の個数: 24

約数和(自身を含む): 127495368

約数和(自身を除く): 55693503

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 38917, 116751, 194585, 350253, 583755, 1595597, 1751265, 4786791, 7977985, 14360373, 23933955, 71801865]

約数ペア:

[(1, 71801865), (3, 23933955), (5, 14360373), (9, 7977985), (15, 4786791), (41, 1751265), (45, 1595597), (123, 583755), (205, 350253), (369, 194585), (615, 116751), (1845, 38917)]