1306755

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 2302560

約数和(自身を除く): 995805

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 409, 639, 1065, 1227, 2045, 3195, 3681, 6135, 18405, 29039, 87117, 145195, 261351, 435585, 1306755]

約数ペア:

[(1, 1306755), (3, 435585), (5, 261351), (9, 145195), (15, 87117), (45, 29039), (71, 18405), (213, 6135), (355, 3681), (409, 3195), (639, 2045), (1065, 1227)]