81639690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{247393}}^1$

素因数の和:247414

約数の個数: 32

約数和(自身を含む): 213748416

約数和(自身を除く): 132108726

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 247393, 494786, 742179, 1236965, 1484358, 2473930, 2721323, 3710895, 5442646, 7421790, 8163969, 13606615, 16327938, 27213230, 40819845, 81639690]

約数ペア:

[(1, 81639690), (2, 40819845), (3, 27213230), (5, 16327938), (6, 13606615), (10, 8163969), (11, 7421790), (15, 5442646), (22, 3710895), (30, 2721323), (33, 2473930), (55, 1484358), (66, 1236965), (110, 742179), (165, 494786), (330, 247393)]