81405390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{246683}}^1$

素因数の和:246704

約数の個数: 32

約数和(自身を含む): 213134976

約数和(自身を除く): 131729586

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 246683, 493366, 740049, 1233415, 1480098, 2466830, 2713513, 3700245, 5427026, 7400490, 8140539, 13567565, 16281078, 27135130, 40702695, 81405390]

約数ペア:

[(1, 81405390), (2, 40702695), (3, 27135130), (5, 16281078), (6, 13567565), (10, 8140539), (11, 7400490), (15, 5427026), (22, 3700245), (30, 2713513), (33, 2466830), (55, 1480098), (66, 1233415), (110, 740049), (165, 493366), (330, 246683)]