647408097

素因数分解:

$3^2\times 7^1\times {\mathrm{1493}}^1\times {\mathrm{6883}}^1$

素因数の和:8389

約数の個数: 24

約数和(自身を含む): 1069608384

約数和(自身を除く): 422200287

約数列:

[1, 3, 7, 9, 21, 63, 1493, 4479, 6883, 10451, 13437, 20649, 31353, 48181, 61947, 94059, 144543, 433629, 10276319, 30828957, 71934233, 92486871, 215802699, 647408097]

約数ペア:

[(1, 647408097), (3, 215802699), (7, 92486871), (9, 71934233), (21, 30828957), (63, 10276319), (1493, 433629), (4479, 144543), (6883, 94059), (10451, 61947), (13437, 48181), (20649, 31353)]