618304239

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{142237}}^1$

素因数の和:142276

約数の個数: 32

約数和(自身を含む): 1092387840

約数和(自身を除く): 474083601

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 142237, 426711, 995659, 1280133, 2986977, 3271451, 3840399, 8960931, 9814353, 22900157, 26882793, 29443059, 68700471, 88329177, 206101413, 618304239]

約数ペア:

[(1, 618304239), (3, 206101413), (7, 88329177), (9, 68700471), (21, 29443059), (23, 26882793), (27, 22900157), (63, 9814353), (69, 8960931), (161, 3840399), (189, 3271451), (207, 2986977), (483, 1280133), (621, 995659), (1449, 426711), (4347, 142237)]