2798955

素因数分解:

$3^4\times 5^1\times {\mathrm{6911}}^1$

素因数の和:6928

約数の個数: 20

約数和(自身を含む): 5018112

約数和(自身を除く): 2219157

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6911, 20733, 34555, 62199, 103665, 186597, 310995, 559791, 932985, 2798955]

約数ペア:

[(1, 2798955), (3, 932985), (5, 559791), (9, 310995), (15, 186597), (27, 103665), (45, 62199), (81, 34555), (135, 20733), (405, 6911)]