80162865

素因数分解:

$3^4\times 5^1\times {\mathrm{197933}}^1$

素因数の和:197950

約数の個数: 20

約数和(自身を含む): 143700084

約数和(自身を除く): 63537219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 197933, 593799, 989665, 1781397, 2968995, 5344191, 8906985, 16032573, 26720955, 80162865]

約数ペア:

[(1, 80162865), (3, 26720955), (5, 16032573), (9, 8906985), (15, 5344191), (27, 2968995), (45, 1781397), (81, 989665), (135, 593799), (405, 197933)]