28311729

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3911}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 40058880

約数和(自身を除く): 11747151

約数列:

[1, 3, 19, 57, 127, 381, 2413, 3911, 7239, 11733, 74309, 222927, 496697, 1490091, 9437243, 28311729]

約数ペア:

[(1, 28311729), (3, 9437243), (19, 1490091), (57, 496697), (127, 222927), (381, 74309), (2413, 11733), (3911, 7239)]