78312129

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{196271}}^1$

素因数の和:196300

約数の個数: 16

約数和(自身を含む): 125614080

約数和(自身を除く): 47301951

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 196271, 588813, 1373897, 3729149, 4121691, 11187447, 26104043, 78312129]

約数ペア:

[(1, 78312129), (3, 26104043), (7, 11187447), (19, 4121691), (21, 3729149), (57, 1373897), (133, 588813), (399, 196271)]