821520969

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 1174569984

約数和(自身を除く): 353049015

約数列:

[1, 3, 23, 67, 69, 83, 201, 249, 1541, 1909, 2141, 4623, 5561, 5727, 6423, 16683, 49243, 127903, 143447, 147729, 177703, 383709, 430341, 533109, 3299281, 4087169, 9897843, 11906101, 12261507, 35718303, 273840323, 821520969]

約数ペア:

[(1, 821520969), (3, 273840323), (23, 35718303), (67, 12261507), (69, 11906101), (83, 9897843), (201, 4087169), (249, 3299281), (1541, 533109), (1909, 430341), (2141, 383709), (4623, 177703), (5561, 147729), (5727, 143447), (6423, 127903), (16683, 49243)]