940905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 1946880

約数和(自身を除く): 1005975

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 103, 105, 145, 203, 261, 309, 315, 435, 515, 609, 721, 927, 1015, 1305, 1545, 1827, 2163, 2987, 3045, 3605, 4635, 6489, 8961, 9135, 10815, 14935, 20909, 26883, 32445, 44805, 62727, 104545, 134415, 188181, 313635, 940905]

約数ペア:

[(1, 940905), (3, 313635), (5, 188181), (7, 134415), (9, 104545), (15, 62727), (21, 44805), (29, 32445), (35, 26883), (45, 20909), (63, 14935), (87, 10815), (103, 9135), (105, 8961), (145, 6489), (203, 4635), (261, 3605), (309, 3045), (315, 2987), (435, 2163), (515, 1827), (609, 1545), (721, 1305), (927, 1015)]