7985229

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 12840960

約数和(自身を除く): 4855731

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 239, 259, 301, 717, 777, 903, 1591, 1673, 4773, 5019, 8843, 10277, 11137, 26529, 30831, 33411, 61901, 71939, 185703, 215817, 380249, 1140747, 2661743, 7985229]

約数ペア:

[(1, 7985229), (3, 2661743), (7, 1140747), (21, 380249), (37, 215817), (43, 185703), (111, 71939), (129, 61901), (239, 33411), (259, 30831), (301, 26529), (717, 11137), (777, 10277), (903, 8843), (1591, 5019), (1673, 4773)]