209464455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12457}}^1$

素因数の和:12543

約数の個数: 32

約数和(自身を含む): 358790400

約数和(自身を除く): 149325945

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 3363, 5605, 12457, 16815, 37371, 62285, 186855, 236683, 710049, 734963, 1183415, 2204889, 3550245, 3674815, 11024445, 13964297, 41892891, 69821485, 209464455]

約数ペア:

[(1, 209464455), (3, 69821485), (5, 41892891), (15, 13964297), (19, 11024445), (57, 3674815), (59, 3550245), (95, 2204889), (177, 1183415), (285, 734963), (295, 710049), (885, 236683), (1121, 186855), (3363, 62285), (5605, 37371), (12457, 16815)]