218914935

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{3499}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 362208000

約数和(自身を除く): 143293065

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 1455, 3499, 4171, 10497, 12513, 17495, 20855, 52485, 62565, 150457, 339403, 451371, 752285, 1018209, 1697015, 2256855, 5091045, 14594329, 43782987, 72971645, 218914935]

約数ペア:

[(1, 218914935), (3, 72971645), (5, 43782987), (15, 14594329), (43, 5091045), (97, 2256855), (129, 1697015), (215, 1018209), (291, 752285), (485, 451371), (645, 339403), (1455, 150457), (3499, 62565), (4171, 52485), (10497, 20855), (12513, 17495)]