15301979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 20224512

約数和(自身を除く): 4922533

約数列:

[1, 7, 11, 37, 41, 77, 131, 259, 287, 407, 451, 917, 1441, 1517, 2849, 3157, 4847, 5371, 10087, 10619, 16687, 33929, 37597, 53317, 59081, 116809, 198727, 373219, 413567, 1391089, 2185997, 15301979]

約数ペア:

[(1, 15301979), (7, 2185997), (11, 1391089), (37, 413567), (41, 373219), (77, 198727), (131, 116809), (259, 59081), (287, 53317), (407, 37597), (451, 33929), (917, 16687), (1441, 10619), (1517, 10087), (2849, 5371), (3157, 4847)]