19771695

素因数分解:

$3^5\times 5^1\times {\mathrm{16273}}^1$

素因数の和:16293

約数の個数: 24

約数和(自身を含む): 35542416

約数和(自身を除く): 15770721

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16273, 48819, 81365, 146457, 244095, 439371, 732285, 1318113, 2196855, 3954339, 6590565, 19771695]

約数ペア:

[(1, 19771695), (3, 6590565), (5, 3954339), (9, 2196855), (15, 1318113), (27, 732285), (45, 439371), (81, 244095), (135, 146457), (243, 81365), (405, 48819), (1215, 16273)]