2188665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 4018248

約数和(自身を除く): 1829583

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2861, 8583, 14305, 25749, 42915, 48637, 128745, 145911, 243185, 437733, 729555, 2188665]

約数ペア:

[(1, 2188665), (3, 729555), (5, 437733), (9, 243185), (15, 145911), (17, 128745), (45, 48637), (51, 42915), (85, 25749), (153, 14305), (255, 8583), (765, 2861)]