1270215

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^2$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 2281680

約数和(自身を除く): 1011465

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 2619, 4365, 9409, 13095, 28227, 47045, 84681, 141135, 254043, 423405, 1270215]

約数ペア:

[(1, 1270215), (3, 423405), (5, 254043), (9, 141135), (15, 84681), (27, 47045), (45, 28227), (97, 13095), (135, 9409), (291, 4365), (485, 2619), (873, 1455)]