2104515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 4561920

約数和(自身を除く): 2457405

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 131, 135, 153, 189, 255, 315, 357, 393, 459, 595, 655, 765, 917, 945, 1071, 1179, 1785, 1965, 2227, 2295, 2751, 3213, 3537, 4585, 5355, 5895, 6681, 8253, 11135, 13755, 15589, 16065, 17685, 20043, 24759, 33405, 41265, 46767, 60129, 77945, 100215, 123795, 140301, 233835, 300645, 420903, 701505, 2104515]

約数ペア:

[(1, 2104515), (3, 701505), (5, 420903), (7, 300645), (9, 233835), (15, 140301), (17, 123795), (21, 100215), (27, 77945), (35, 60129), (45, 46767), (51, 41265), (63, 33405), (85, 24759), (105, 20043), (119, 17685), (131, 16065), (135, 15589), (153, 13755), (189, 11135), (255, 8253), (315, 6681), (357, 5895), (393, 5355), (459, 4585), (595, 3537), (655, 3213), (765, 2751), (917, 2295), (945, 2227), (1071, 1965), (1179, 1785)]