42982947

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 75595680

約数和(自身を除く): 32612733

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 371, 441, 477, 613, 1113, 1323, 1431, 1839, 2597, 3339, 4291, 5517, 7791, 10017, 12873, 16551, 23373, 30037, 32489, 38619, 70119, 90111, 97467, 115857, 227423, 270333, 292401, 682269, 810999, 877203, 1591961, 2046807, 4775883, 6140421, 14327649, 42982947]

約数ペア:

[(1, 42982947), (3, 14327649), (7, 6140421), (9, 4775883), (21, 2046807), (27, 1591961), (49, 877203), (53, 810999), (63, 682269), (147, 292401), (159, 270333), (189, 227423), (371, 115857), (441, 97467), (477, 90111), (613, 70119), (1113, 38619), (1323, 32489), (1431, 30037), (1839, 23373), (2597, 16551), (3339, 12873), (4291, 10017), (5517, 7791)]