71221125

素因数分解:

$3^1\times 5^3\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 119134080

約数和(自身を除く): 47912955

約数列:

[1, 3, 5, 15, 25, 75, 125, 257, 375, 739, 771, 1285, 2217, 3695, 3855, 6425, 11085, 18475, 19275, 32125, 55425, 92375, 96375, 189923, 277125, 569769, 949615, 2848845, 4748075, 14244225, 23740375, 71221125]

約数ペア:

[(1, 71221125), (3, 23740375), (5, 14244225), (15, 4748075), (25, 2848845), (75, 949615), (125, 569769), (257, 277125), (375, 189923), (739, 96375), (771, 92375), (1285, 55425), (2217, 32125), (3695, 19275), (3855, 18475), (6425, 11085)]