61221105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 116423424

約数和(自身を除く): 55202319

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 337, 367, 495, 1011, 1101, 1685, 1835, 3033, 3303, 3707, 4037, 5055, 5505, 11121, 12111, 15165, 16515, 18535, 20185, 33363, 36333, 55605, 60555, 123679, 166815, 181665, 371037, 618395, 1113111, 1360469, 1855185, 4081407, 5565555, 6802345, 12244221, 20407035, 61221105]

約数ペア:

[(1, 61221105), (3, 20407035), (5, 12244221), (9, 6802345), (11, 5565555), (15, 4081407), (33, 1855185), (45, 1360469), (55, 1113111), (99, 618395), (165, 371037), (337, 181665), (367, 166815), (495, 123679), (1011, 60555), (1101, 55605), (1685, 36333), (1835, 33363), (3033, 20185), (3303, 18535), (3707, 16515), (4037, 15165), (5055, 12111), (5505, 11121)]