18989451

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{54101}}^1$

素因数の和:54123

約数の個数: 16

約数和(自身を含む): 30297120

約数和(自身を除く): 11307669

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 54101, 162303, 486909, 703313, 1460727, 2109939, 6329817, 18989451]

約数ペア:

[(1, 18989451), (3, 6329817), (9, 2109939), (13, 1460727), (27, 703313), (39, 486909), (117, 162303), (351, 54101)]