1279742457

素因数分解:

$3^1\times 7^2\times {\mathrm{743}}^1\times {\mathrm{11717}}^1$

素因数の和:12477

約数の個数: 24

約数和(自身を含む): 1987747776

約数和(自身を除く): 708005319

約数列:

[1, 3, 7, 21, 49, 147, 743, 2229, 5201, 11717, 15603, 35151, 36407, 82019, 109221, 246057, 574133, 1722399, 8705731, 26117193, 60940117, 182820351, 426580819, 1279742457]

約数ペア:

[(1, 1279742457), (3, 426580819), (7, 182820351), (21, 60940117), (49, 26117193), (147, 8705731), (743, 1722399), (2229, 574133), (5201, 246057), (11717, 109221), (15603, 82019), (35151, 36407)]