81960759

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 120958032

約数和(自身を除く): 38997273

約数列:

[1, 3, 9, 61, 183, 337, 443, 549, 1011, 1329, 3033, 3987, 20557, 27023, 61671, 81069, 149291, 185013, 243207, 447873, 1343619, 9106751, 27320253, 81960759]

約数ペア:

[(1, 81960759), (3, 27320253), (9, 9106751), (61, 1343619), (183, 447873), (337, 243207), (443, 185013), (549, 149291), (1011, 81069), (1329, 61671), (3033, 27023), (3987, 20557)]