447029199

素因数分解:

$3^4\times {\mathrm{991}}^1\times {\mathrm{5569}}^1$

素因数の和:6572

約数の個数: 20

約数和(自身を含む): 668578240

約数和(自身を除く): 221549041

約数列:

[1, 3, 9, 27, 81, 991, 2973, 5569, 8919, 16707, 26757, 50121, 80271, 150363, 451089, 5518879, 16556637, 49669911, 149009733, 447029199]

約数ペア:

[(1, 447029199), (3, 149009733), (9, 49669911), (27, 16556637), (81, 5518879), (991, 451089), (2973, 150363), (5569, 80271), (8919, 50121), (16707, 26757)]