1930649

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 18

約数和(自身を含む): 2377242

約数和(自身を除く): 446593

約数列:

[1, 7, 31, 41, 49, 217, 287, 961, 1271, 1519, 2009, 6727, 8897, 39401, 47089, 62279, 275807, 1930649]

約数ペア:

[(1, 1930649), (7, 275807), (31, 62279), (41, 47089), (49, 39401), (217, 8897), (287, 6727), (961, 2009), (1271, 1519)]