27977375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 36796032

約数和(自身を除く): 8818657

約数列:

[1, 5, 25, 41, 53, 103, 125, 205, 265, 515, 1025, 1325, 2173, 2575, 4223, 5125, 5459, 6625, 10865, 12875, 21115, 27295, 54325, 105575, 136475, 223819, 271625, 527875, 682375, 1119095, 5595475, 27977375]

約数ペア:

[(1, 27977375), (5, 5595475), (25, 1119095), (41, 682375), (53, 527875), (103, 271625), (125, 223819), (205, 136475), (265, 105575), (515, 54325), (1025, 27295), (1325, 21115), (2173, 12875), (2575, 10865), (4223, 6625), (5125, 5459)]