67528161

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 107029824

約数和(自身を除く): 39501663

約数列:

[1, 3, 9, 23, 27, 67, 69, 81, 201, 207, 541, 603, 621, 1541, 1623, 1809, 1863, 4623, 4869, 5427, 12443, 13869, 14607, 36247, 37329, 41607, 43821, 108741, 111987, 124821, 326223, 335961, 833681, 978669, 1007883, 2501043, 2936007, 7503129, 22509387, 67528161]

約数ペア:

[(1, 67528161), (3, 22509387), (9, 7503129), (23, 2936007), (27, 2501043), (67, 1007883), (69, 978669), (81, 833681), (201, 335961), (207, 326223), (541, 124821), (603, 111987), (621, 108741), (1541, 43821), (1623, 41607), (1809, 37329), (1863, 36247), (4623, 14607), (4869, 13869), (5427, 12443)]