105864375

素因数分解:

$3^1\times 5^4\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 178142976

約数和(自身を除く): 72278601

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 431, 625, 655, 1293, 1875, 1965, 2155, 3275, 6465, 9825, 10775, 16375, 32325, 49125, 53875, 56461, 81875, 161625, 169383, 245625, 269375, 282305, 808125, 846915, 1411525, 4234575, 7057625, 21172875, 35288125, 105864375]

約数ペア:

[(1, 105864375), (3, 35288125), (5, 21172875), (15, 7057625), (25, 4234575), (75, 1411525), (125, 846915), (131, 808125), (375, 282305), (393, 269375), (431, 245625), (625, 169383), (655, 161625), (1293, 81875), (1875, 56461), (1965, 53875), (2155, 49125), (3275, 32325), (6465, 16375), (9825, 10775)]