28245645

素因数分解:

$3^3\times 5^1\times {\mathrm{209227}}^1$

素因数の和:209241

約数の個数: 16

約数和(自身を含む): 50214720

約数和(自身を除く): 21969075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209227, 627681, 1046135, 1883043, 3138405, 5649129, 9415215, 28245645]

約数ペア:

[(1, 28245645), (3, 9415215), (5, 5649129), (9, 3138405), (15, 1883043), (27, 1046135), (45, 627681), (135, 209227)]