1020285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 2096640

約数和(自身を除く): 1076355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 79, 105, 123, 205, 237, 287, 315, 369, 395, 553, 615, 711, 861, 1185, 1435, 1659, 1845, 2583, 2765, 3239, 3555, 4305, 4977, 8295, 9717, 12915, 16195, 22673, 24885, 29151, 48585, 68019, 113365, 145755, 204057, 340095, 1020285]

約数ペア:

[(1, 1020285), (3, 340095), (5, 204057), (7, 145755), (9, 113365), (15, 68019), (21, 48585), (35, 29151), (41, 24885), (45, 22673), (63, 16195), (79, 12915), (105, 9717), (123, 8295), (205, 4977), (237, 4305), (287, 3555), (315, 3239), (369, 2765), (395, 2583), (553, 1845), (615, 1659), (711, 1435), (861, 1185)]