665996955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{24571}}^1$

素因数の和:24731

約数の個数: 32

約数和(自身を含む): 1155866880

約数和(自身を除く): 489869925

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 5421, 9035, 24571, 27105, 73713, 122855, 319423, 368565, 958269, 1597115, 3415369, 4791345, 10246107, 17076845, 44399797, 51230535, 133199391, 221998985, 665996955]

約数ペア:

[(1, 665996955), (3, 221998985), (5, 133199391), (13, 51230535), (15, 44399797), (39, 17076845), (65, 10246107), (139, 4791345), (195, 3415369), (417, 1597115), (695, 958269), (1807, 368565), (2085, 319423), (5421, 122855), (9035, 73713), (24571, 27105)]