3998775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 7463808

約数和(自身を除く): 3465033

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 131, 165, 185, 275, 393, 407, 555, 655, 825, 925, 1221, 1441, 1965, 2035, 2775, 3275, 4323, 4847, 6105, 7205, 9825, 10175, 14541, 21615, 24235, 30525, 36025, 53317, 72705, 108075, 121175, 159951, 266585, 363525, 799755, 1332925, 3998775]

約数ペア:

[(1, 3998775), (3, 1332925), (5, 799755), (11, 363525), (15, 266585), (25, 159951), (33, 121175), (37, 108075), (55, 72705), (75, 53317), (111, 36025), (131, 30525), (165, 24235), (185, 21615), (275, 14541), (393, 10175), (407, 9825), (555, 7205), (655, 6105), (825, 4847), (925, 4323), (1221, 3275), (1441, 2775), (1965, 2035)]