28288395

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4219}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 49374000

約数和(自身を除く): 21085605

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 4219, 6705, 12657, 21095, 37971, 63285, 189855, 628631, 1885893, 3143155, 5657679, 9429465, 28288395]

約数ペア:

[(1, 28288395), (3, 9429465), (5, 5657679), (9, 3143155), (15, 1885893), (45, 628631), (149, 189855), (447, 63285), (745, 37971), (1341, 21095), (2235, 12657), (4219, 6705)]