3980745

素因数分解:

$3^4\times 5^1\times {\mathrm{9829}}^1$

素因数の和:9846

約数の個数: 20

約数和(自身を含む): 7136580

約数和(自身を除く): 3155835

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9829, 29487, 49145, 88461, 147435, 265383, 442305, 796149, 1326915, 3980745]

約数ペア:

[(1, 3980745), (3, 1326915), (5, 796149), (9, 442305), (15, 265383), (27, 147435), (45, 88461), (81, 49145), (135, 29487), (405, 9829)]