12897975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{3659}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 21784320

約数和(自身を除く): 8886345

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 3659, 10977, 18295, 54885, 91475, 171973, 274425, 515919, 859865, 2579595, 4299325, 12897975]

約数ペア:

[(1, 12897975), (3, 4299325), (5, 2579595), (15, 859865), (25, 515919), (47, 274425), (75, 171973), (141, 91475), (235, 54885), (705, 18295), (1175, 10977), (3525, 3659)]