205991685

素因数分解:

$3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{9323}}^1$

素因数の和:9825

約数の個数: 24

約数和(自身を含む): 357817824

約数和(自身を除く): 151826139

約数列:

[1, 3, 5, 9, 15, 45, 491, 1473, 2455, 4419, 7365, 9323, 22095, 27969, 46615, 83907, 139845, 419535, 4577593, 13732779, 22887965, 41198337, 68663895, 205991685]

約数ペア:

[(1, 205991685), (3, 68663895), (5, 41198337), (9, 22887965), (15, 13732779), (45, 4577593), (491, 419535), (1473, 139845), (2455, 83907), (4419, 46615), (7365, 27969), (9323, 22095)]