25920609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 18205599

約数列:

[1, 3, 11, 13, 23, 33, 37, 39, 69, 71, 111, 143, 213, 253, 299, 407, 429, 481, 759, 781, 851, 897, 923, 1221, 1443, 1633, 2343, 2553, 2627, 2769, 3289, 4899, 5291, 7881, 9361, 9867, 10153, 11063, 15873, 17963, 21229, 28083, 28897, 30459, 33189, 34151, 53889, 60421, 63687, 86691, 102453, 121693, 181263, 233519, 365079, 375661, 664631, 700557, 785473, 1126983, 1993893, 2356419, 8640203, 25920609]

約数ペア:

[(1, 25920609), (3, 8640203), (11, 2356419), (13, 1993893), (23, 1126983), (33, 785473), (37, 700557), (39, 664631), (69, 375661), (71, 365079), (111, 233519), (143, 181263), (213, 121693), (253, 102453), (299, 86691), (407, 63687), (429, 60421), (481, 53889), (759, 34151), (781, 33189), (851, 30459), (897, 28897), (923, 28083), (1221, 21229), (1443, 17963), (1633, 15873), (2343, 11063), (2553, 10153), (2627, 9867), (2769, 9361), (3289, 7881), (4899, 5291)]