13240725

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3331}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 22311072

約数和(自身を除く): 9070347

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3331, 3975, 9993, 16655, 49965, 83275, 176543, 249825, 529629, 882715, 2648145, 4413575, 13240725]

約数ペア:

[(1, 13240725), (3, 4413575), (5, 2648145), (15, 882715), (25, 529629), (53, 249825), (75, 176543), (159, 83275), (265, 49965), (795, 16655), (1325, 9993), (3331, 3975)]