138839631

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347969}}^1$

素因数の和:347998

約数の個数: 16

約数和(自身を含む): 222700800

約数和(自身を除く): 83861169

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 347969, 1043907, 2435783, 6611411, 7307349, 19834233, 46279877, 138839631]

約数ペア:

[(1, 138839631), (3, 46279877), (7, 19834233), (19, 7307349), (21, 6611411), (57, 2435783), (133, 1043907), (399, 347969)]