198161985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{10909}}^1$

素因数の和:11097

約数の個数: 32

約数和(自身を含む): 364481280

約数和(自身を除く): 166319295

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 173, 519, 865, 1211, 2595, 3633, 6055, 10909, 18165, 32727, 54545, 76363, 163635, 229089, 381815, 1145445, 1887257, 5661771, 9436285, 13210799, 28308855, 39632397, 66053995, 198161985]

約数ペア:

[(1, 198161985), (3, 66053995), (5, 39632397), (7, 28308855), (15, 13210799), (21, 9436285), (35, 5661771), (105, 1887257), (173, 1145445), (519, 381815), (865, 229089), (1211, 163635), (2595, 76363), (3633, 54545), (6055, 32727), (10909, 18165)]