39690819

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20367

約数の個数: 24

約数和(自身を含む): 67638272

約数和(自身を除く): 27947453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20323, 60969, 142261, 182907, 426783, 630013, 1280349, 1890039, 4410091, 5670117, 13230273, 39690819]

約数ペア:

[(1, 39690819), (3, 13230273), (7, 5670117), (9, 4410091), (21, 1890039), (31, 1280349), (63, 630013), (93, 426783), (217, 182907), (279, 142261), (651, 60969), (1953, 20323)]