81301356

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{20719}}^1$

素因数の和:20838

約数の個数: 36

約数和(自身を含む): 207407200

約数和(自身を除く): 126105844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 20719, 41438, 62157, 82876, 124314, 186471, 248628, 372942, 745884, 2258371, 4516742, 6775113, 9033484, 13550226, 20325339, 27100452, 40650678, 81301356]

約数ペア:

[(1, 81301356), (2, 40650678), (3, 27100452), (4, 20325339), (6, 13550226), (9, 9033484), (12, 6775113), (18, 4516742), (36, 2258371), (109, 745884), (218, 372942), (327, 248628), (436, 186471), (654, 124314), (981, 82876), (1308, 62157), (1962, 41438), (3924, 20719)]