25682769

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 44413824

約数和(自身を除く): 18731055

約数列:

[1, 3, 7, 9, 21, 41, 61, 63, 123, 163, 183, 287, 369, 427, 489, 549, 861, 1141, 1281, 1467, 2501, 2583, 3423, 3843, 6683, 7503, 9943, 10269, 17507, 20049, 22509, 29829, 46781, 52521, 60147, 69601, 89487, 140343, 157563, 208803, 407663, 421029, 626409, 1222989, 2853641, 3668967, 8560923, 25682769]

約数ペア:

[(1, 25682769), (3, 8560923), (7, 3668967), (9, 2853641), (21, 1222989), (41, 626409), (61, 421029), (63, 407663), (123, 208803), (163, 157563), (183, 140343), (287, 89487), (369, 69601), (427, 60147), (489, 52521), (549, 46781), (861, 29829), (1141, 22509), (1281, 20049), (1467, 17507), (2501, 10269), (2583, 9943), (3423, 7503), (3843, 6683)]