217208085

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{53831}}^1$

素因数の和:54108

約数の個数: 16

約数和(自身を含む): 348831360

約数和(自身を除く): 131623275

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 53831, 161493, 269155, 807465, 14480539, 43441617, 72402695, 217208085]

約数ペア:

[(1, 217208085), (3, 72402695), (5, 43441617), (15, 14480539), (269, 807465), (807, 269155), (1345, 161493), (4035, 53831)]