81028638

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{41299}}^1$

素因数の和:41416

約数の個数: 24

約数和(自身を含む): 177177000

約数和(自身を除く): 96148362

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 41299, 82598, 123897, 247794, 371691, 743382, 4501591, 9003182, 13504773, 27009546, 40514319, 81028638]

約数ペア:

[(1, 81028638), (2, 40514319), (3, 27009546), (6, 13504773), (9, 9003182), (18, 4501591), (109, 743382), (218, 371691), (327, 247794), (654, 123897), (981, 82598), (1962, 41299)]