25682787

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 42235648

約数和(自身を除く): 16552861

約数列:

[1, 3, 9, 13, 31, 39, 73, 93, 97, 117, 219, 279, 291, 403, 657, 873, 949, 1209, 1261, 2263, 2847, 3007, 3627, 3783, 6789, 7081, 8541, 9021, 11349, 20367, 21243, 27063, 29419, 39091, 63729, 88257, 92053, 117273, 219511, 264771, 276159, 351819, 658533, 828477, 1975599, 2853643, 8560929, 25682787]

約数ペア:

[(1, 25682787), (3, 8560929), (9, 2853643), (13, 1975599), (31, 828477), (39, 658533), (73, 351819), (93, 276159), (97, 264771), (117, 219511), (219, 117273), (279, 92053), (291, 88257), (403, 63729), (657, 39091), (873, 29419), (949, 27063), (1209, 21243), (1261, 20367), (2263, 11349), (2847, 9021), (3007, 8541), (3627, 7081), (3783, 6789)]