20172321393

素因数分解:

$3^1\times 7^1\times {\mathrm{170347}}^1\times {\mathrm{5639}}^1$

素因数の和:175996

約数の個数: 16

約数和(自身を含む): 30744407040

約数和(自身を除く): 10572085647

約数列:

[1, 3, 7, 21, 5639, 16917, 39473, 118419, 170347, 511041, 1192429, 3577287, 960586733, 2881760199, 6724107131, 20172321393]

約数ペア:

[(1, 20172321393), (3, 6724107131), (7, 2881760199), (21, 960586733), (5639, 3577287), (16917, 1192429), (39473, 511041), (118419, 170347)]