2989575

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 5674240

約数和(自身を除く): 2684665

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 103, 129, 135, 215, 225, 309, 387, 515, 645, 675, 927, 1075, 1161, 1545, 1935, 2575, 2781, 3225, 4429, 4635, 5805, 7725, 9675, 13287, 13905, 22145, 23175, 29025, 39861, 66435, 69525, 110725, 119583, 199305, 332175, 597915, 996525, 2989575]

約数ペア:

[(1, 2989575), (3, 996525), (5, 597915), (9, 332175), (15, 199305), (25, 119583), (27, 110725), (43, 69525), (45, 66435), (75, 39861), (103, 29025), (129, 23175), (135, 22145), (215, 13905), (225, 13287), (309, 9675), (387, 7725), (515, 5805), (645, 4635), (675, 4429), (927, 3225), (1075, 2781), (1161, 2575), (1545, 1935)]