27851229

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 22836771

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 149, 161, 189, 207, 301, 387, 447, 483, 621, 903, 989, 1043, 1161, 1341, 1449, 2709, 2967, 3129, 3427, 4023, 4347, 6407, 6923, 8127, 8901, 9387, 10281, 19221, 20769, 23989, 26703, 28161, 30843, 44849, 57663, 62307, 71967, 92529, 134547, 147361, 172989, 186921, 215901, 403641, 442083, 647703, 1031527, 1210923, 1326249, 3094581, 3978747, 9283743, 27851229]

約数ペア:

[(1, 27851229), (3, 9283743), (7, 3978747), (9, 3094581), (21, 1326249), (23, 1210923), (27, 1031527), (43, 647703), (63, 442083), (69, 403641), (129, 215901), (149, 186921), (161, 172989), (189, 147361), (207, 134547), (301, 92529), (387, 71967), (447, 62307), (483, 57663), (621, 44849), (903, 30843), (989, 28161), (1043, 26703), (1161, 23989), (1341, 20769), (1449, 19221), (2709, 10281), (2967, 9387), (3129, 8901), (3427, 8127), (4023, 6923), (4347, 6407)]