2487765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 5068800

約数和(自身を除く): 2581035

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 43, 57, 87, 95, 105, 129, 133, 145, 203, 215, 285, 301, 399, 435, 551, 609, 645, 665, 817, 903, 1015, 1247, 1505, 1653, 1995, 2451, 2755, 3045, 3741, 3857, 4085, 4515, 5719, 6235, 8265, 8729, 11571, 12255, 17157, 18705, 19285, 23693, 26187, 28595, 43645, 57855, 71079, 85785, 118465, 130935, 165851, 355395, 497553, 829255, 2487765]

約数ペア:

[(1, 2487765), (3, 829255), (5, 497553), (7, 355395), (15, 165851), (19, 130935), (21, 118465), (29, 85785), (35, 71079), (43, 57855), (57, 43645), (87, 28595), (95, 26187), (105, 23693), (129, 19285), (133, 18705), (145, 17157), (203, 12255), (215, 11571), (285, 8729), (301, 8265), (399, 6235), (435, 5719), (551, 4515), (609, 4085), (645, 3857), (665, 3741), (817, 3045), (903, 2755), (1015, 2451), (1247, 1995), (1505, 1653)]