78209469

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 60

約数和(自身を含む): 134174964

約数和(自身を除く): 55965495

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 257, 289, 351, 459, 663, 771, 867, 1053, 1377, 1989, 2313, 2601, 3341, 3757, 4369, 5967, 6939, 7803, 10023, 11271, 13107, 17901, 20817, 23409, 30069, 33813, 39321, 56797, 74273, 90207, 101439, 117963, 170391, 222819, 270621, 304317, 353889, 511173, 668457, 965549, 1533519, 2005371, 2896647, 4600557, 6016113, 8689941, 26069823, 78209469]

約数ペア:

[(1, 78209469), (3, 26069823), (9, 8689941), (13, 6016113), (17, 4600557), (27, 2896647), (39, 2005371), (51, 1533519), (81, 965549), (117, 668457), (153, 511173), (221, 353889), (257, 304317), (289, 270621), (351, 222819), (459, 170391), (663, 117963), (771, 101439), (867, 90207), (1053, 74273), (1377, 56797), (1989, 39321), (2313, 33813), (2601, 30069), (3341, 23409), (3757, 20817), (4369, 17901), (5967, 13107), (6939, 11271), (7803, 10023)]