51542421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 83558400

約数和(自身を除く): 32015979

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1279, 1919, 2121, 3837, 5757, 8953, 13433, 24301, 26859, 40299, 72903, 129179, 170107, 387537, 510321, 904253, 2454401, 2712759, 7363203, 17180807, 51542421]

約数ペア:

[(1, 51542421), (3, 17180807), (7, 7363203), (19, 2712759), (21, 2454401), (57, 904253), (101, 510321), (133, 387537), (303, 170107), (399, 129179), (707, 72903), (1279, 40299), (1919, 26859), (2121, 24301), (3837, 13433), (5757, 8953)]