220172295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{19597}}^1$

素因数の和:19719

約数の個数: 32

約数和(自身を含む): 406384128

約数和(自身を除く): 186211833

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 2247, 3745, 11235, 19597, 58791, 97985, 137179, 293955, 411537, 685895, 2057685, 2096879, 6290637, 10484395, 14678153, 31453185, 44034459, 73390765, 220172295]

約数ペア:

[(1, 220172295), (3, 73390765), (5, 44034459), (7, 31453185), (15, 14678153), (21, 10484395), (35, 6290637), (105, 2096879), (107, 2057685), (321, 685895), (535, 411537), (749, 293955), (1605, 137179), (2247, 97985), (3745, 58791), (11235, 19597)]