2021566155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{243709}}^1$

素因数の和:243803

約数の個数: 32

約数和(自身を含む): 3743385600

約数和(自身を除く): 1721819445

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2765, 8295, 243709, 731127, 1218545, 1705963, 3655635, 5117889, 8529815, 19253011, 25589445, 57759033, 96265055, 134771077, 288795165, 404313231, 673855385, 2021566155]

約数ペア:

[(1, 2021566155), (3, 673855385), (5, 404313231), (7, 288795165), (15, 134771077), (21, 96265055), (35, 57759033), (79, 25589445), (105, 19253011), (237, 8529815), (395, 5117889), (553, 3655635), (1185, 1705963), (1659, 1218545), (2765, 731127), (8295, 243709)]