244346571

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 181432629

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 131, 139, 189, 213, 393, 417, 497, 639, 917, 973, 1179, 1251, 1491, 1917, 2751, 2919, 3537, 3753, 4473, 8253, 8757, 9301, 9869, 13419, 18209, 24759, 26271, 27903, 29607, 54627, 65107, 69083, 83709, 88821, 127463, 163881, 195321, 207249, 251127, 266463, 382389, 491643, 585963, 621747, 1147167, 1292839, 1757889, 1865241, 3441501, 3878517, 9049873, 11635551, 27149619, 34906653, 81448857, 244346571]

約数ペア:

[(1, 244346571), (3, 81448857), (7, 34906653), (9, 27149619), (21, 11635551), (27, 9049873), (63, 3878517), (71, 3441501), (131, 1865241), (139, 1757889), (189, 1292839), (213, 1147167), (393, 621747), (417, 585963), (497, 491643), (639, 382389), (917, 266463), (973, 251127), (1179, 207249), (1251, 195321), (1491, 163881), (1917, 127463), (2751, 88821), (2919, 83709), (3537, 69083), (3753, 65107), (4473, 54627), (8253, 29607), (8757, 27903), (9301, 26271), (9869, 24759), (13419, 18209)]