681652755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{19853}}^1$

素因数の和:19980

約数の個数: 48

約数和(自身を含む): 1362778560

約数和(自身を除く): 681125805

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 763, 981, 1635, 2289, 3815, 4905, 6867, 11445, 19853, 34335, 59559, 99265, 138971, 178677, 297795, 416913, 694855, 893385, 1250739, 2084565, 2163977, 6253695, 6491931, 10819885, 15147839, 19475793, 32459655, 45443517, 75739195, 97378965, 136330551, 227217585, 681652755]

約数ペア:

[(1, 681652755), (3, 227217585), (5, 136330551), (7, 97378965), (9, 75739195), (15, 45443517), (21, 32459655), (35, 19475793), (45, 15147839), (63, 10819885), (105, 6491931), (109, 6253695), (315, 2163977), (327, 2084565), (545, 1250739), (763, 893385), (981, 694855), (1635, 416913), (2289, 297795), (3815, 178677), (4905, 138971), (6867, 99265), (11445, 59559), (19853, 34335)]