81679749

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 34441851

約数列:

[1, 3, 41, 47, 71, 123, 141, 199, 213, 597, 1927, 2911, 3337, 5781, 8159, 8733, 9353, 10011, 14129, 24477, 28059, 42387, 136817, 383473, 410451, 579289, 664063, 1150419, 1737867, 1992189, 27226583, 81679749]

約数ペア:

[(1, 81679749), (3, 27226583), (41, 1992189), (47, 1737867), (71, 1150419), (123, 664063), (141, 579289), (199, 410451), (213, 383473), (597, 136817), (1927, 42387), (2911, 28059), (3337, 24477), (5781, 14129), (8159, 10011), (8733, 9353)]