61997019

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{155381}}^1$

素因数の和:155410

約数の個数: 16

約数和(自身を含む): 99444480

約数和(自身を除く): 37447461

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 155381, 466143, 1087667, 2952239, 3263001, 8856717, 20665673, 61997019]

約数ペア:

[(1, 61997019), (3, 20665673), (7, 8856717), (19, 3263001), (21, 2952239), (57, 1087667), (133, 466143), (399, 155381)]