253408635

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 464693760

約数和(自身を除く): 211285125

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 107, 135, 159, 265, 321, 331, 477, 535, 795, 963, 993, 1431, 1605, 1655, 2385, 2889, 2979, 4815, 4965, 5671, 7155, 8937, 14445, 14895, 17013, 17543, 28355, 35417, 44685, 51039, 52629, 85065, 87715, 106251, 153117, 157887, 177085, 255195, 263145, 318753, 473661, 531255, 765585, 789435, 956259, 1593765, 1877101, 2368305, 4781295, 5631303, 9385505, 16893909, 28156515, 50681727, 84469545, 253408635]

約数ペア:

[(1, 253408635), (3, 84469545), (5, 50681727), (9, 28156515), (15, 16893909), (27, 9385505), (45, 5631303), (53, 4781295), (107, 2368305), (135, 1877101), (159, 1593765), (265, 956259), (321, 789435), (331, 765585), (477, 531255), (535, 473661), (795, 318753), (963, 263145), (993, 255195), (1431, 177085), (1605, 157887), (1655, 153117), (2385, 106251), (2889, 87715), (2979, 85065), (4815, 52629), (4965, 51039), (5671, 44685), (7155, 35417), (8937, 28355), (14445, 17543), (14895, 17013)]