211330977

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 351247680

約数和(自身を除く): 139916703

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 121, 143, 209, 247, 363, 429, 627, 741, 1573, 2299, 2357, 2717, 4719, 6897, 7071, 8151, 25927, 29887, 30641, 44783, 77781, 89661, 91923, 134349, 285197, 337051, 492613, 582179, 855591, 1011153, 1477839, 1746537, 3707561, 5418743, 6403969, 11122683, 16256229, 19211907, 70443659, 211330977]

約数ペア:

[(1, 211330977), (3, 70443659), (11, 19211907), (13, 16256229), (19, 11122683), (33, 6403969), (39, 5418743), (57, 3707561), (121, 1746537), (143, 1477839), (209, 1011153), (247, 855591), (363, 582179), (429, 492613), (627, 337051), (741, 285197), (1573, 134349), (2299, 91923), (2357, 89661), (2717, 77781), (4719, 44783), (6897, 30641), (7071, 29887), (8151, 25927)]