28141305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81569}}^1$

素因数の和:81600

約数の個数: 16

約数和(自身を含む): 46984320

約数和(自身を除く): 18843015

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81569, 244707, 407845, 1223535, 1876087, 5628261, 9380435, 28141305]

約数ペア:

[(1, 28141305), (3, 9380435), (5, 5628261), (15, 1876087), (23, 1223535), (69, 407845), (115, 244707), (345, 81569)]