209121045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{9439}}^1$

素因数の和:9665

約数の個数: 32

約数和(自身を含む): 384245760

約数和(自身を除く): 175124715

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 1055, 1477, 3165, 4431, 7385, 9439, 22155, 28317, 47195, 66073, 141585, 198219, 330365, 991095, 1991629, 5974887, 9958145, 13941403, 29874435, 41824209, 69707015, 209121045]

約数ペア:

[(1, 209121045), (3, 69707015), (5, 41824209), (7, 29874435), (15, 13941403), (21, 9958145), (35, 5974887), (105, 1991629), (211, 991095), (633, 330365), (1055, 198219), (1477, 141585), (3165, 66073), (4431, 47195), (7385, 28317), (9439, 22155)]