2912181987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{17099}}^1$

素因数の和:17523

約数の個数: 32

約数和(自身を含む): 4573497600

約数和(自身を除く): 1661315613

約数列:

[1, 3, 11, 13, 33, 39, 143, 397, 429, 1191, 4367, 5161, 13101, 15483, 17099, 51297, 56771, 170313, 188089, 222287, 564267, 666861, 2445157, 6788303, 7335471, 20364909, 74671333, 88247939, 224013999, 264743817, 970727329, 2912181987]

約数ペア:

[(1, 2912181987), (3, 970727329), (11, 264743817), (13, 224013999), (33, 88247939), (39, 74671333), (143, 20364909), (397, 7335471), (429, 6788303), (1191, 2445157), (4367, 666861), (5161, 564267), (13101, 222287), (15483, 188089), (17099, 170313), (51297, 56771)]