1291225047

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3236153}}^1$

素因数の和:3236182

約数の個数: 16

約数和(自身を含む): 2071138560

約数和(自身を除く): 779913513

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3236153, 9708459, 22653071, 61486907, 67959213, 184460721, 430408349, 1291225047]

約数ペア:

[(1, 1291225047), (3, 430408349), (7, 184460721), (19, 67959213), (21, 61486907), (57, 22653071), (133, 9708459), (399, 3236153)]