61271975

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 78222672

約数和(自身を除く): 16950697

約数列:

[1, 5, 25, 53, 131, 265, 353, 655, 1325, 1765, 3275, 6943, 8825, 18709, 34715, 46243, 93545, 173575, 231215, 467725, 1156075, 2450879, 12254395, 61271975]

約数ペア:

[(1, 61271975), (5, 12254395), (25, 2450879), (53, 1156075), (131, 467725), (265, 231215), (353, 173575), (655, 93545), (1325, 46243), (1765, 34715), (3275, 18709), (6943, 8825)]