172620721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{16787}}^1$

素因数の和:16920

約数の個数: 16

約数和(自身を含む): 214349184

約数和(自身を除く): 41728463

約数列:

[1, 7, 13, 91, 113, 791, 1469, 10283, 16787, 117509, 218231, 1527617, 1896931, 13278517, 24660103, 172620721]

約数ペア:

[(1, 172620721), (7, 24660103), (13, 13278517), (91, 1896931), (113, 1527617), (791, 218231), (1469, 117509), (10283, 16787)]