28641735

素因数分解:

$3^3\times 5^1\times {\mathrm{212161}}^1$

素因数の和:212175

約数の個数: 16

約数和(自身を含む): 50918880

約数和(自身を除く): 22277145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212161, 636483, 1060805, 1909449, 3182415, 5728347, 9547245, 28641735]

約数ペア:

[(1, 28641735), (3, 9547245), (5, 5728347), (9, 3182415), (15, 1909449), (27, 1060805), (45, 636483), (135, 212161)]