20161325751

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{30427}}^1$

素因数の和:30803

約数の個数: 32

約数和(自身を含む): 31080376320

約数和(自身を除く): 10919050569

約数列:

[1, 3, 7, 21, 139, 227, 417, 681, 973, 1589, 2919, 4767, 30427, 31553, 91281, 94659, 212989, 220871, 638967, 662613, 4229353, 6906929, 12688059, 20720787, 29605471, 48348503, 88816413, 145045509, 960063131, 2880189393, 6720441917, 20161325751]

約数ペア:

[(1, 20161325751), (3, 6720441917), (7, 2880189393), (21, 960063131), (139, 145045509), (227, 88816413), (417, 48348503), (681, 29605471), (973, 20720787), (1589, 12688059), (2919, 6906929), (4767, 4229353), (30427, 662613), (31553, 638967), (91281, 220871), (94659, 212989)]