25784829

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 36

約数和(自身を含む): 44104320

約数和(自身を除く): 18319491

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 991, 1239, 2891, 2973, 3717, 6937, 8673, 8919, 20811, 26019, 48559, 58469, 62433, 145677, 175407, 409283, 437031, 526221, 1227849, 2864981, 3683547, 8594943, 25784829]

約数ペア:

[(1, 25784829), (3, 8594943), (7, 3683547), (9, 2864981), (21, 1227849), (49, 526221), (59, 437031), (63, 409283), (147, 175407), (177, 145677), (413, 62433), (441, 58469), (531, 48559), (991, 26019), (1239, 20811), (2891, 8919), (2973, 8673), (3717, 6937)]