1998072009

素因数分解:

$3^3\times {\mathrm{2687}}^1\times {\mathrm{27541}}^1$

素因数の和:30237

約数の個数: 16

約数和(自身を含む): 2961315840

約数和(自身を除く): 963243831

約数列:

[1, 3, 9, 27, 2687, 8061, 24183, 27541, 72549, 82623, 247869, 743607, 74002667, 222008001, 666024003, 1998072009]

約数ペア:

[(1, 1998072009), (3, 666024003), (9, 222008001), (27, 74002667), (2687, 743607), (8061, 247869), (24183, 82623), (27541, 72549)]