1299921

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 2079360

約数和(自身を除く): 779439

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 239, 259, 717, 777, 1673, 1813, 5019, 5439, 8843, 11711, 26529, 35133, 61901, 185703, 433307, 1299921]

約数ペア:

[(1, 1299921), (3, 433307), (7, 185703), (21, 61901), (37, 35133), (49, 26529), (111, 11711), (147, 8843), (239, 5439), (259, 5019), (717, 1813), (777, 1673)]