231864771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 358318080

約数和(自身を除く): 126453309

約数列:

[1, 3, 19, 23, 47, 53, 57, 69, 71, 141, 159, 213, 437, 893, 1007, 1081, 1219, 1311, 1349, 1633, 2491, 2679, 3021, 3243, 3337, 3657, 3763, 4047, 4899, 7473, 10011, 11289, 20539, 23161, 31027, 47329, 57293, 61617, 63403, 69483, 71497, 76751, 86549, 93081, 141987, 171879, 176861, 190209, 214491, 230253, 259647, 530583, 1088567, 1458269, 1644431, 3265701, 3360359, 4067803, 4374807, 4933293, 10081077, 12203409, 77288257, 231864771]

約数ペア:

[(1, 231864771), (3, 77288257), (19, 12203409), (23, 10081077), (47, 4933293), (53, 4374807), (57, 4067803), (69, 3360359), (71, 3265701), (141, 1644431), (159, 1458269), (213, 1088567), (437, 530583), (893, 259647), (1007, 230253), (1081, 214491), (1219, 190209), (1311, 176861), (1349, 171879), (1633, 141987), (2491, 93081), (2679, 86549), (3021, 76751), (3243, 71497), (3337, 69483), (3657, 63403), (3763, 61617), (4047, 57293), (4899, 47329), (7473, 31027), (10011, 23161), (11289, 20539)]