39897249

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 69341184

約数和(自身を除く): 29443935

約数列:

[1, 3, 7, 17, 21, 23, 43, 51, 69, 113, 119, 129, 161, 301, 339, 357, 391, 483, 731, 791, 903, 989, 1173, 1921, 2193, 2373, 2599, 2737, 2967, 4859, 5117, 5763, 6923, 7797, 8211, 13447, 14577, 15351, 16813, 18193, 20769, 34013, 40341, 44183, 50439, 54579, 82603, 102039, 111757, 117691, 132549, 247809, 309281, 335271, 353073, 578221, 782299, 927843, 1734663, 1899869, 2346897, 5699607, 13299083, 39897249]

約数ペア:

[(1, 39897249), (3, 13299083), (7, 5699607), (17, 2346897), (21, 1899869), (23, 1734663), (43, 927843), (51, 782299), (69, 578221), (113, 353073), (119, 335271), (129, 309281), (161, 247809), (301, 132549), (339, 117691), (357, 111757), (391, 102039), (483, 82603), (731, 54579), (791, 50439), (903, 44183), (989, 40341), (1173, 34013), (1921, 20769), (2193, 18193), (2373, 16813), (2599, 15351), (2737, 14577), (2967, 13447), (4859, 8211), (5117, 7797), (5763, 6923)]