28772505

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2017}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 50054472

約数和(自身を除く): 21281967

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1585, 2017, 2853, 4755, 6051, 10085, 14265, 18153, 30255, 90765, 639389, 1918167, 3196945, 5754501, 9590835, 28772505]

約数ペア:

[(1, 28772505), (3, 9590835), (5, 5754501), (9, 3196945), (15, 1918167), (45, 639389), (317, 90765), (951, 30255), (1585, 18153), (2017, 14265), (2853, 10085), (4755, 6051)]