28888515

素因数分解:

$3^3\times 5^1\times {\mathrm{213989}}^1$

素因数の和:214003

約数の個数: 16

約数和(自身を含む): 51357600

約数和(自身を除く): 22469085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 213989, 641967, 1069945, 1925901, 3209835, 5777703, 9629505, 28888515]

約数ペア:

[(1, 28888515), (3, 9629505), (5, 5777703), (9, 3209835), (15, 1925901), (27, 1069945), (45, 641967), (135, 213989)]