12718251

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 23115456

約数和(自身を除く): 10397205

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 293, 371, 477, 689, 819, 879, 1113, 2051, 2067, 2637, 3339, 3809, 4823, 6153, 6201, 11427, 14469, 15529, 18459, 26663, 34281, 43407, 46587, 79989, 108703, 139761, 201877, 239967, 326109, 605631, 978327, 1413139, 1816893, 4239417, 12718251]

約数ペア:

[(1, 12718251), (3, 4239417), (7, 1816893), (9, 1413139), (13, 978327), (21, 605631), (39, 326109), (53, 239967), (63, 201877), (91, 139761), (117, 108703), (159, 79989), (273, 46587), (293, 43407), (371, 34281), (477, 26663), (689, 18459), (819, 15529), (879, 14469), (1113, 11427), (2051, 6201), (2067, 6153), (2637, 4823), (3339, 3809)]