51671277

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 90959232

約数和(自身を除く): 39287955

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 567, 777, 821, 999, 1701, 2331, 2463, 2997, 5747, 6993, 7389, 8991, 17241, 20979, 22167, 30377, 51723, 62937, 66501, 91131, 155169, 199503, 212639, 273393, 465507, 637917, 820179, 1396521, 1913751, 2460537, 5741253, 7381611, 17223759, 51671277]

約数ペア:

[(1, 51671277), (3, 17223759), (7, 7381611), (9, 5741253), (21, 2460537), (27, 1913751), (37, 1396521), (63, 820179), (81, 637917), (111, 465507), (189, 273393), (243, 212639), (259, 199503), (333, 155169), (567, 91131), (777, 66501), (821, 62937), (999, 51723), (1701, 30377), (2331, 22167), (2463, 20979), (2997, 17241), (5747, 8991), (6993, 7389)]