3998115

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 7783776

約数和(自身を除く): 3785661

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 197, 205, 369, 451, 495, 591, 615, 985, 1353, 1773, 1845, 2167, 2255, 2955, 4059, 6501, 6765, 8077, 8865, 10835, 19503, 20295, 24231, 32505, 40385, 72693, 88847, 97515, 121155, 266541, 363465, 444235, 799623, 1332705, 3998115]

約数ペア:

[(1, 3998115), (3, 1332705), (5, 799623), (9, 444235), (11, 363465), (15, 266541), (33, 121155), (41, 97515), (45, 88847), (55, 72693), (99, 40385), (123, 32505), (165, 24231), (197, 20295), (205, 19503), (369, 10835), (451, 8865), (495, 8077), (591, 6765), (615, 6501), (985, 4059), (1353, 2955), (1773, 2255), (1845, 2167)]