2812005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 5690880

約数和(自身を除く): 2878875

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 113, 237, 315, 339, 395, 553, 565, 711, 791, 1017, 1185, 1659, 1695, 2373, 2765, 3555, 3955, 4977, 5085, 7119, 8295, 8927, 11865, 24885, 26781, 35595, 44635, 62489, 80343, 133905, 187467, 312445, 401715, 562401, 937335, 2812005]

約数ペア:

[(1, 2812005), (3, 937335), (5, 562401), (7, 401715), (9, 312445), (15, 187467), (21, 133905), (35, 80343), (45, 62489), (63, 44635), (79, 35595), (105, 26781), (113, 24885), (237, 11865), (315, 8927), (339, 8295), (395, 7119), (553, 5085), (565, 4977), (711, 3955), (791, 3555), (1017, 2765), (1185, 2373), (1659, 1695)]