219957747

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{31481}}^1$

素因数の和:31638

約数の個数: 16

約数和(自身を含む): 312805152

約数和(自身を除く): 92847405

約数列:

[1, 3, 17, 51, 137, 411, 2329, 6987, 31481, 94443, 535177, 1605531, 4312897, 12938691, 73319249, 219957747]

約数ペア:

[(1, 219957747), (3, 73319249), (17, 12938691), (51, 4312897), (137, 1605531), (411, 535177), (2329, 94443), (6987, 31481)]