20171813403

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{774023}}^1$

素因数の和:774123

約数の個数: 32

約数和(自身を含む): 32991998976

約数和(自身を除く): 12820185573

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 1241, 1533, 3723, 8687, 26061, 774023, 2322069, 5418161, 13158391, 16254483, 39475173, 56503679, 92108737, 169511037, 276326211, 395525753, 960562543, 1186577259, 2881687629, 6723937801, 20171813403]

約数ペア:

[(1, 20171813403), (3, 6723937801), (7, 2881687629), (17, 1186577259), (21, 960562543), (51, 395525753), (73, 276326211), (119, 169511037), (219, 92108737), (357, 56503679), (511, 39475173), (1241, 16254483), (1533, 13158391), (3723, 5418161), (8687, 2322069), (26061, 774023)]