815157

素因数分解:

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

素因数の和:262

約数の個数: 32

約数和(自身を含む): 1459200

約数和(自身を除く): 644043

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 227, 399, 513, 681, 1197, 1589, 2043, 3591, 4313, 4767, 6129, 12939, 14301, 30191, 38817, 42903, 90573, 116451, 271719, 815157]

約数ペア:

[(1, 815157), (3, 271719), (7, 116451), (9, 90573), (19, 42903), (21, 38817), (27, 30191), (57, 14301), (63, 12939), (133, 6129), (171, 4767), (189, 4313), (227, 3591), (399, 2043), (513, 1589), (681, 1197)]