2178971.00000000

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 131068800

約数和(自身を除く): 53994795

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 409, 739, 1227, 2045, 2217, 3695, 6135, 6953, 11085, 12563, 20859, 34765, 37689, 62815, 104295, 188445, 302251, 906753, 1511255, 4533765, 5138267, 15414801, 25691335, 77074005]

約数ペア:

[(1, 77074005), (3, 25691335), (5, 15414801), (15, 5138267), (17, 4533765), (51, 1511255), (85, 906753), (255, 302251), (409, 188445), (739, 104295), (1227, 62815), (2045, 37689), (2217, 34765), (3695, 20859), (6135, 12563), (6953, 11085)]