25128363

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 13482069

約数列:

[1, 3, 13, 17, 39, 51, 151, 221, 251, 453, 663, 753, 1963, 2567, 3263, 4267, 5889, 7701, 9789, 12801, 33371, 37901, 55471, 100113, 113703, 166413, 492713, 644317, 1478139, 1932951, 8376121, 25128363]

約数ペア:

[(1, 25128363), (3, 8376121), (13, 1932951), (17, 1478139), (39, 644317), (51, 492713), (151, 166413), (221, 113703), (251, 100113), (453, 55471), (663, 37901), (753, 33371), (1963, 12801), (2567, 9789), (3263, 7701), (4267, 5889)]