201661815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3923}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 339033600

約数和(自身を除く): 137371785

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 345, 447, 745, 2235, 3427, 3923, 10281, 11769, 17135, 19615, 51405, 58845, 90229, 270687, 451145, 584527, 1353435, 1753581, 2922635, 8767905, 13444121, 40332363, 67220605, 201661815]

約数ペア:

[(1, 201661815), (3, 67220605), (5, 40332363), (15, 13444121), (23, 8767905), (69, 2922635), (115, 1753581), (149, 1353435), (345, 584527), (447, 451145), (745, 270687), (2235, 90229), (3427, 58845), (3923, 51405), (10281, 19615), (11769, 17135)]