749034321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1877279}}^1$

素因数の和:1877308

約数の個数: 16

約数和(自身を含む): 1201459200

約数和(自身を除く): 452424879

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1877279, 5631837, 13140953, 35668301, 39422859, 107004903, 249678107, 749034321]

約数ペア:

[(1, 749034321), (3, 249678107), (7, 107004903), (19, 39422859), (21, 35668301), (57, 13140953), (133, 5631837), (399, 1877279)]