18645255

素因数分解:

$3^3\times 5^1\times {\mathrm{138113}}^1$

素因数の和:138127

約数の個数: 16

約数和(自身を含む): 33147360

約数和(自身を除く): 14502105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 138113, 414339, 690565, 1243017, 2071695, 3729051, 6215085, 18645255]

約数ペア:

[(1, 18645255), (3, 6215085), (5, 3729051), (9, 2071695), (15, 1243017), (27, 690565), (45, 414339), (135, 138113)]