81721278

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{89021}}^1$

素因数の和:89049

約数の個数: 32

約数和(自身を含む): 192287520

約数和(自身を除く): 110566242

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 89021, 178042, 267063, 534126, 801189, 1513357, 1602378, 2403567, 3026714, 4540071, 4807134, 9080142, 13620213, 27240426, 40860639, 81721278]

約数ペア:

[(1, 81721278), (2, 40860639), (3, 27240426), (6, 13620213), (9, 9080142), (17, 4807134), (18, 4540071), (27, 3026714), (34, 2403567), (51, 1602378), (54, 1513357), (102, 801189), (153, 534126), (306, 267063), (459, 178042), (918, 89021)]