18053325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 35206080

約数和(自身を除く): 17152755

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 103, 123, 171, 205, 225, 285, 309, 369, 475, 515, 615, 779, 855, 927, 1025, 1425, 1545, 1845, 1957, 2337, 2575, 3075, 3895, 4223, 4275, 4635, 5871, 7011, 7725, 9225, 9785, 11685, 12669, 17613, 19475, 21115, 23175, 29355, 35055, 38007, 48925, 58425, 63345, 80237, 88065, 105575, 146775, 175275, 190035, 240711, 316725, 401185, 440325, 722133, 950175, 1203555, 2005925, 3610665, 6017775, 18053325]

約数ペア:

[(1, 18053325), (3, 6017775), (5, 3610665), (9, 2005925), (15, 1203555), (19, 950175), (25, 722133), (41, 440325), (45, 401185), (57, 316725), (75, 240711), (95, 190035), (103, 175275), (123, 146775), (171, 105575), (205, 88065), (225, 80237), (285, 63345), (309, 58425), (369, 48925), (475, 38007), (515, 35055), (615, 29355), (779, 23175), (855, 21115), (927, 19475), (1025, 17613), (1425, 12669), (1545, 11685), (1845, 9785), (1957, 9225), (2337, 7725), (2575, 7011), (3075, 5871), (3895, 4635), (4223, 4275)]