28677135

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21481}}^1$

素因数の和:21578

約数の個数: 16

約数和(自身を含む): 46401120

約数和(自身を除く): 17723985

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21481, 64443, 107405, 322215, 1911809, 5735427, 9559045, 28677135]

約数ペア:

[(1, 28677135), (3, 9559045), (5, 5735427), (15, 1911809), (89, 322215), (267, 107405), (445, 64443), (1335, 21481)]