3907845

素因数分解:

$3^4\times 5^1\times {\mathrm{9649}}^1$

素因数の和:9666

約数の個数: 20

約数和(自身を含む): 7005900

約数和(自身を除く): 3098055

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9649, 28947, 48245, 86841, 144735, 260523, 434205, 781569, 1302615, 3907845]

約数ペア:

[(1, 3907845), (3, 1302615), (5, 781569), (9, 434205), (15, 260523), (27, 144735), (45, 86841), (81, 48245), (135, 28947), (405, 9649)]