199976715

素因数分解:

$3^3\times 5^1\times {\mathrm{1481309}}^1$

素因数の和:1481323

約数の個数: 16

約数和(自身を含む): 355514400

約数和(自身を除く): 155537685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1481309, 4443927, 7406545, 13331781, 22219635, 39995343, 66658905, 199976715]

約数ペア:

[(1, 199976715), (3, 66658905), (5, 39995343), (9, 22219635), (15, 13331781), (27, 7406545), (45, 4443927), (135, 1481309)]