80947815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{727}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 139915776

約数和(自身を除く): 58967961

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 571, 727, 1713, 2181, 2855, 3635, 7423, 8565, 9451, 10905, 22269, 28353, 37115, 47255, 111345, 141765, 415117, 1245351, 2075585, 5396521, 6226755, 16189563, 26982605, 80947815]

約数ペア:

[(1, 80947815), (3, 26982605), (5, 16189563), (13, 6226755), (15, 5396521), (39, 2075585), (65, 1245351), (195, 415117), (571, 141765), (727, 111345), (1713, 47255), (2181, 37115), (2855, 28353), (3635, 22269), (7423, 10905), (8565, 9451)]