21843225

素因数分解:

$3^2\times 5^2\times {\mathrm{97081}}^1$

素因数の和:97097

約数の個数: 18

約数和(自身を含む): 39124046

約数和(自身を除く): 17280821

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97081, 291243, 485405, 873729, 1456215, 2427025, 4368645, 7281075, 21843225]

約数ペア:

[(1, 21843225), (3, 7281075), (5, 4368645), (9, 2427025), (15, 1456215), (25, 873729), (45, 485405), (75, 291243), (225, 97081)]