28642545

素因数分解:

$3^3\times 5^1\times {\mathrm{212167}}^1$

素因数の和:212181

約数の個数: 16

約数和(自身を含む): 50920320

約数和(自身を除く): 22277775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212167, 636501, 1060835, 1909503, 3182505, 5728509, 9547515, 28642545]

約数ペア:

[(1, 28642545), (3, 9547515), (5, 5728509), (9, 3182505), (15, 1909503), (27, 1060835), (45, 636501), (135, 212167)]