1621137

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 2764800

約数和(自身を除く): 1143663

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 239, 323, 357, 399, 717, 969, 1673, 2261, 4063, 4541, 5019, 6783, 12189, 13623, 28441, 31787, 77197, 85323, 95361, 231591, 540379, 1621137]

約数ペア:

[(1, 1621137), (3, 540379), (7, 231591), (17, 95361), (19, 85323), (21, 77197), (51, 31787), (57, 28441), (119, 13623), (133, 12189), (239, 6783), (323, 5019), (357, 4541), (399, 4063), (717, 2261), (969, 1673)]