271719

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 474240

約数和(自身を除く): 202521

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 227, 399, 681, 1197, 1589, 2043, 4313, 4767, 12939, 14301, 30191, 38817, 90573, 271719]

約数ペア:

[(1, 271719), (3, 90573), (7, 38817), (9, 30191), (19, 14301), (21, 12939), (57, 4767), (63, 4313), (133, 2043), (171, 1589), (227, 1197), (399, 681)]