38747787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21139}}^1$

素因数の和:21202

約数の個数: 16

約数和(自身を含む): 56824320

約数和(自身を除く): 18076533

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 21139, 63417, 274807, 824421, 993533, 2980599, 12915929, 38747787]

約数ペア:

[(1, 38747787), (3, 12915929), (13, 2980599), (39, 993533), (47, 824421), (141, 274807), (611, 63417), (1833, 21139)]