81591585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319967}}^1$

素因数の和:319992

約数の個数: 16

約数和(自身を含む): 138226176

約数和(自身を除く): 56634591

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 319967, 959901, 1599835, 4799505, 5439439, 16318317, 27197195, 81591585]

約数ペア:

[(1, 81591585), (3, 27197195), (5, 16318317), (15, 5439439), (17, 4799505), (51, 1599835), (85, 959901), (255, 319967)]