81729993

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 110179136

約数和(自身を除く): 28449143

約数列:

[1, 3, 163, 397, 421, 489, 1191, 1263, 64711, 68623, 167137, 194133, 205869, 501411, 27243331, 81729993]

約数ペア:

[(1, 81729993), (3, 27243331), (163, 501411), (397, 205869), (421, 194133), (489, 167137), (1191, 68623), (1263, 64711)]