28491615

素因数分解:

$3^3\times 5^1\times {\mathrm{211049}}^1$

素因数の和:211063

約数の個数: 16

約数和(自身を含む): 50652000

約数和(自身を除く): 22160385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211049, 633147, 1055245, 1899441, 3165735, 5698323, 9497205, 28491615]

約数ペア:

[(1, 28491615), (3, 9497205), (5, 5698323), (9, 3165735), (15, 1899441), (27, 1055245), (45, 633147), (135, 211049)]