81427125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{16703}}^1$

素因数の和:16734

約数の個数: 32

約数和(自身を含む): 145926144

約数和(自身を除く): 64499019

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 16703, 50109, 83515, 217139, 250545, 417575, 651417, 1085695, 1252725, 2087875, 3257085, 5428475, 6263625, 16285425, 27142375, 81427125]

約数ペア:

[(1, 81427125), (3, 27142375), (5, 16285425), (13, 6263625), (15, 5428475), (25, 3257085), (39, 2087875), (65, 1252725), (75, 1085695), (125, 651417), (195, 417575), (325, 250545), (375, 217139), (975, 83515), (1625, 50109), (4875, 16703)]