891551157

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 1375395840

約数和(自身を除く): 483844683

約数列:

[1, 3, 7, 21, 163, 181, 489, 543, 1141, 1267, 1439, 3423, 3801, 4317, 10073, 29503, 30219, 88509, 206521, 234557, 260459, 619563, 703671, 781377, 1641899, 1823213, 4925697, 5469639, 42454817, 127364451, 297183719, 891551157]

約数ペア:

[(1, 891551157), (3, 297183719), (7, 127364451), (21, 42454817), (163, 5469639), (181, 4925697), (489, 1823213), (543, 1641899), (1141, 781377), (1267, 703671), (1439, 619563), (3423, 260459), (3801, 234557), (4317, 206521), (10073, 88509), (29503, 30219)]