18230265

素因数分解:

$3^4\times 5^1\times {\mathrm{45013}}^1$

素因数の和:45030

約数の個数: 20

約数和(自身を含む): 32680164

約数和(自身を除く): 14449899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45013, 135039, 225065, 405117, 675195, 1215351, 2025585, 3646053, 6076755, 18230265]

約数ペア:

[(1, 18230265), (3, 6076755), (5, 3646053), (9, 2025585), (15, 1215351), (27, 675195), (45, 405117), (81, 225065), (135, 135039), (405, 45013)]