394275843

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1607}}^1$

素因数の和:1865

約数の個数: 40

約数和(自身を含む): 637404768

約数和(自身を除く): 243128925

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 233, 351, 699, 1053, 1607, 2097, 3029, 4821, 6291, 9087, 14463, 18873, 20891, 27261, 43389, 62673, 81783, 130167, 188019, 245349, 374431, 564057, 1123293, 1692171, 3369879, 4867603, 10109637, 14602809, 30328911, 43808427, 131425281, 394275843]

約数ペア:

[(1, 394275843), (3, 131425281), (9, 43808427), (13, 30328911), (27, 14602809), (39, 10109637), (81, 4867603), (117, 3369879), (233, 1692171), (351, 1123293), (699, 564057), (1053, 374431), (1607, 245349), (2097, 188019), (3029, 130167), (4821, 81783), (6291, 62673), (9087, 43389), (14463, 27261), (18873, 20891)]