80809869

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28933}}^1$

素因数の和:28969

約数の個数: 24

約数和(自身を含む): 131939040

約数和(自身を除く): 51129171

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 28933, 86799, 202531, 549727, 607593, 1417717, 1649181, 3848089, 4253151, 11544267, 26936623, 80809869]

約数ペア:

[(1, 80809869), (3, 26936623), (7, 11544267), (19, 4253151), (21, 3848089), (49, 1649181), (57, 1417717), (133, 607593), (147, 549727), (399, 202531), (931, 86799), (2793, 28933)]