25569453

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 42246400

約数和(自身を除く): 16676947

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 409, 687, 1227, 1603, 2863, 2977, 4809, 5317, 8589, 8931, 15951, 20839, 37219, 62517, 93661, 111657, 280983, 655627, 1217593, 1966881, 3652779, 8523151, 25569453]

約数ペア:

[(1, 25569453), (3, 8523151), (7, 3652779), (13, 1966881), (21, 1217593), (39, 655627), (91, 280983), (229, 111657), (273, 93661), (409, 62517), (687, 37219), (1227, 20839), (1603, 15951), (2863, 8931), (2977, 8589), (4809, 5317)]