80531745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109567}}^1$

素因数の和:109589

約数の個数: 24

約数和(自身を含む): 149889024

約数和(自身を除く): 69357279

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 109567, 328701, 547835, 766969, 1643505, 2300907, 3834845, 5368783, 11504535, 16106349, 26843915, 80531745]

約数ペア:

[(1, 80531745), (3, 26843915), (5, 16106349), (7, 11504535), (15, 5368783), (21, 3834845), (35, 2300907), (49, 1643505), (105, 766969), (147, 547835), (245, 328701), (735, 109567)]