87131375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 116385984

約数和(自身を除く): 29254609

約数列:

[1, 5, 17, 25, 85, 125, 131, 313, 425, 655, 1565, 2125, 2227, 3275, 5321, 7825, 11135, 16375, 26605, 39125, 41003, 55675, 133025, 205015, 278375, 665125, 697051, 1025075, 3485255, 5125375, 17426275, 87131375]

約数ペア:

[(1, 87131375), (5, 17426275), (17, 5125375), (25, 3485255), (85, 1025075), (125, 697051), (131, 665125), (313, 278375), (425, 205015), (655, 133025), (1565, 55675), (2125, 41003), (2227, 39125), (3275, 26605), (5321, 16375), (7825, 11135)]