1215837

素因数分解:

$3^3\times 7^2\times {\mathrm{919}}^1$

素因数の和:942

約数の個数: 24

約数和(自身を含む): 2097600

約数和(自身を除く): 881763

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 919, 1323, 2757, 6433, 8271, 19299, 24813, 45031, 57897, 135093, 173691, 405279, 1215837]

約数ペア:

[(1, 1215837), (3, 405279), (7, 173691), (9, 135093), (21, 57897), (27, 45031), (49, 24813), (63, 19299), (147, 8271), (189, 6433), (441, 2757), (919, 1323)]