223555995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20156

約数の個数: 48

約数和(自身を含む): 439289760

約数和(自身を除く): 215733765

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 20113, 60339, 100565, 181017, 261469, 301695, 382147, 784407, 905085, 1146441, 1307345, 1910735, 2353221, 3439323, 3922035, 4967911, 5732205, 11766105, 14903733, 17196615, 24839555, 44711199, 74518665, 223555995]

約数ペア:

[(1, 223555995), (3, 74518665), (5, 44711199), (9, 24839555), (13, 17196615), (15, 14903733), (19, 11766105), (39, 5732205), (45, 4967911), (57, 3922035), (65, 3439323), (95, 2353221), (117, 1910735), (171, 1307345), (195, 1146441), (247, 905085), (285, 784407), (585, 382147), (741, 301695), (855, 261469), (1235, 181017), (2223, 100565), (3705, 60339), (11115, 20113)]