156673257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 230539008

約数和(自身を除く): 73865751

約数列:

[1, 3, 13, 39, 73, 113, 219, 339, 487, 949, 1461, 1469, 2847, 4407, 6331, 8249, 18993, 24747, 35551, 55031, 106653, 107237, 165093, 321711, 462163, 715403, 1386489, 2146209, 4017263, 12051789, 52224419, 156673257]

約数ペア:

[(1, 156673257), (3, 52224419), (13, 12051789), (39, 4017263), (73, 2146209), (113, 1386489), (219, 715403), (339, 462163), (487, 321711), (949, 165093), (1461, 107237), (1469, 106653), (2847, 55031), (4407, 35551), (6331, 24747), (8249, 18993)]