26889921

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 18729279

約数列:

[1, 3, 9, 19, 23, 27, 43, 53, 57, 69, 129, 159, 171, 207, 387, 437, 477, 513, 621, 817, 989, 1007, 1161, 1219, 1311, 1431, 2279, 2451, 2967, 3021, 3657, 3933, 6837, 7353, 8901, 9063, 10971, 11799, 18791, 20511, 22059, 23161, 26703, 27189, 32913, 43301, 52417, 56373, 61533, 69483, 129903, 157251, 169119, 208449, 389709, 471753, 507357, 625347, 995923, 1169127, 1415259, 2987769, 8963307, 26889921]

約数ペア:

[(1, 26889921), (3, 8963307), (9, 2987769), (19, 1415259), (23, 1169127), (27, 995923), (43, 625347), (53, 507357), (57, 471753), (69, 389709), (129, 208449), (159, 169119), (171, 157251), (207, 129903), (387, 69483), (437, 61533), (477, 56373), (513, 52417), (621, 43301), (817, 32913), (989, 27189), (1007, 26703), (1161, 23161), (1219, 22059), (1311, 20511), (1431, 18791), (2279, 11799), (2451, 10971), (2967, 9063), (3021, 8901), (3657, 7353), (3933, 6837)]