28909935

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13669}}^1$

素因数の和:13727

約数の個数: 24

約数和(自身を含む): 51180480

約数和(自身を除く): 22270545

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13669, 41007, 68345, 123021, 205035, 615105, 642443, 1927329, 3212215, 5781987, 9636645, 28909935]

約数ペア:

[(1, 28909935), (3, 9636645), (5, 5781987), (9, 3212215), (15, 1927329), (45, 642443), (47, 615105), (141, 205035), (235, 123021), (423, 68345), (705, 41007), (2115, 13669)]