261893055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31687}}^1$

素因数の和:31743

約数の個数: 32

約数和(自身を含む): 456307200

約数和(自身を除く): 194414145

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 31687, 95061, 158435, 475305, 602053, 918923, 1806159, 2756769, 3010265, 4594615, 9030795, 13783845, 17459537, 52378611, 87297685, 261893055]

約数ペア:

[(1, 261893055), (3, 87297685), (5, 52378611), (15, 17459537), (19, 13783845), (29, 9030795), (57, 4594615), (87, 3010265), (95, 2756769), (145, 1806159), (285, 918923), (435, 602053), (551, 475305), (1653, 158435), (2755, 95061), (8265, 31687)]