420804975

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{44179}}^1$

素因数の和:44319

約数の個数: 24

約数和(自身を含む): 701224960

約数和(自身を除く): 280419985

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 3175, 9525, 44179, 132537, 220895, 662685, 1104475, 3313425, 5610733, 16832199, 28053665, 84160995, 140268325, 420804975]

約数ペア:

[(1, 420804975), (3, 140268325), (5, 84160995), (15, 28053665), (25, 16832199), (75, 5610733), (127, 3313425), (381, 1104475), (635, 662685), (1905, 220895), (3175, 132537), (9525, 44179)]