51443991

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{13513}}^1$

素因数の和:13572

約数の個数: 20

約数和(自身を含む): 78489312

約数和(自身を除く): 27045321

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 13513, 40539, 121617, 364851, 635111, 1094553, 1905333, 5715999, 17147997, 51443991]

約数ペア:

[(1, 51443991), (3, 17147997), (9, 5715999), (27, 1905333), (47, 1094553), (81, 635111), (141, 364851), (423, 121617), (1269, 40539), (3807, 13513)]