206543205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21961}}^1$

素因数の和:22002

約数の個数: 48

約数和(自身を含む): 411128640

約数和(自身を除く): 204585435

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 9405, 21961, 65883, 109805, 197649, 241571, 329415, 417259, 724713, 988245, 1207855, 1251777, 2086295, 2174139, 3623565, 3755331, 4589849, 6258885, 10870695, 13769547, 18776655, 22949245, 41308641, 68847735, 206543205]

約数ペア:

[(1, 206543205), (3, 68847735), (5, 41308641), (9, 22949245), (11, 18776655), (15, 13769547), (19, 10870695), (33, 6258885), (45, 4589849), (55, 3755331), (57, 3623565), (95, 2174139), (99, 2086295), (165, 1251777), (171, 1207855), (209, 988245), (285, 724713), (495, 417259), (627, 329415), (855, 241571), (1045, 197649), (1881, 109805), (3135, 65883), (9405, 21961)]