211322199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 127089321

約数列:

[1, 3, 11, 19, 33, 47, 57, 71, 101, 141, 209, 213, 303, 517, 627, 781, 893, 1111, 1349, 1551, 1919, 2343, 2679, 3333, 3337, 4047, 4747, 5757, 7171, 9823, 10011, 14241, 14839, 21109, 21513, 29469, 36707, 44517, 52217, 63327, 63403, 78881, 90193, 110121, 136249, 156651, 190209, 236643, 270579, 337037, 408747, 697433, 992123, 1011111, 1498739, 2092299, 2976369, 3707407, 4496217, 6403703, 11122221, 19211109, 70440733, 211322199]

約数ペア:

[(1, 211322199), (3, 70440733), (11, 19211109), (19, 11122221), (33, 6403703), (47, 4496217), (57, 3707407), (71, 2976369), (101, 2092299), (141, 1498739), (209, 1011111), (213, 992123), (303, 697433), (517, 408747), (627, 337037), (781, 270579), (893, 236643), (1111, 190209), (1349, 156651), (1551, 136249), (1919, 110121), (2343, 90193), (2679, 78881), (3333, 63403), (3337, 63327), (4047, 52217), (4747, 44517), (5757, 36707), (7171, 29469), (9823, 21513), (10011, 21109), (14241, 14839)]