28489005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14723}}^1$

素因数の和:14777

約数の個数: 24

約数和(自身を含む): 50532768

約数和(自身を除く): 22043763

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14723, 44169, 73615, 132507, 220845, 633089, 662535, 1899267, 3165445, 5697801, 9496335, 28489005]

約数ペア:

[(1, 28489005), (3, 9496335), (5, 5697801), (9, 3165445), (15, 1899267), (43, 662535), (45, 633089), (129, 220845), (215, 132507), (387, 73615), (645, 44169), (1935, 14723)]