138775215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{17489}}^1$

素因数の和:17543

約数の個数: 24

約数和(自身を含む): 232127280

約数和(自身を除く): 93352065

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 7935, 17489, 52467, 87445, 262335, 402247, 1206741, 2011235, 6033705, 9251681, 27755043, 46258405, 138775215]

約数ペア:

[(1, 138775215), (3, 46258405), (5, 27755043), (15, 9251681), (23, 6033705), (69, 2011235), (115, 1206741), (345, 402247), (529, 262335), (1587, 87445), (2645, 52467), (7935, 17489)]