28678515

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{51673}}^1$

素因数の和:51718

約数の個数: 16

約数和(自身を含む): 47126688

約数和(自身を除く): 18448173

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 51673, 155019, 258365, 775095, 1911901, 5735703, 9559505, 28678515]

約数ペア:

[(1, 28678515), (3, 9559505), (5, 5735703), (15, 1911901), (37, 775095), (111, 258365), (185, 155019), (555, 51673)]