82431375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 152041344

約数和(自身を除く): 69609969

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 125, 185, 195, 325, 375, 457, 481, 555, 925, 975, 1371, 1443, 1625, 2285, 2405, 2775, 4625, 4875, 5941, 6855, 7215, 11425, 12025, 13875, 16909, 17823, 29705, 34275, 36075, 50727, 57125, 60125, 84545, 89115, 148525, 171375, 180375, 219817, 253635, 422725, 445575, 659451, 742625, 1099085, 1268175, 2113625, 2227875, 3297255, 5495425, 6340875, 16486275, 27477125, 82431375]

約数ペア:

[(1, 82431375), (3, 27477125), (5, 16486275), (13, 6340875), (15, 5495425), (25, 3297255), (37, 2227875), (39, 2113625), (65, 1268175), (75, 1099085), (111, 742625), (125, 659451), (185, 445575), (195, 422725), (325, 253635), (375, 219817), (457, 180375), (481, 171375), (555, 148525), (925, 89115), (975, 84545), (1371, 60125), (1443, 57125), (1625, 50727), (2285, 36075), (2405, 34275), (2775, 29705), (4625, 17823), (4875, 16909), (5941, 13875), (6855, 12025), (7215, 11425)]