25021263

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 12427953

約数列:

[1, 3, 17, 23, 51, 69, 83, 249, 257, 391, 771, 1173, 1411, 1909, 4233, 4369, 5727, 5911, 13107, 17733, 21331, 32453, 63993, 97359, 100487, 301461, 362627, 490613, 1087881, 1471839, 8340421, 25021263]

約数ペア:

[(1, 25021263), (3, 8340421), (17, 1471839), (23, 1087881), (51, 490613), (69, 362627), (83, 301461), (249, 100487), (257, 97359), (391, 63993), (771, 32453), (1173, 21331), (1411, 17733), (1909, 13107), (4233, 5911), (4369, 5727)]