28713915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22003}}^1$

素因数の和:22043

約数の個数: 24

約数和(自身を含む): 51489360

約数和(自身を除く): 22775445

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 22003, 66009, 110015, 198027, 330045, 638087, 990135, 1914261, 3190435, 5742783, 9571305, 28713915]

約数ペア:

[(1, 28713915), (3, 9571305), (5, 5742783), (9, 3190435), (15, 1914261), (29, 990135), (45, 638087), (87, 330045), (145, 198027), (261, 110015), (435, 66009), (1305, 22003)]