199471455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{260747}}^1$

素因数の和:260775

約数の個数: 24

約数和(自身を含む): 366090192

約数和(自身を除く): 166618737

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 260747, 782241, 1303735, 2346723, 3911205, 4432699, 11733615, 13298097, 22163495, 39894291, 66490485, 199471455]

約数ペア:

[(1, 199471455), (3, 66490485), (5, 39894291), (9, 22163495), (15, 13298097), (17, 11733615), (45, 4432699), (51, 3911205), (85, 2346723), (153, 1303735), (255, 782241), (765, 260747)]