78750477

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 131105520

約数和(自身を除く): 52355043

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 137, 153, 221, 289, 411, 663, 867, 1233, 1781, 1989, 2329, 2601, 3757, 4913, 5343, 6987, 11271, 14739, 16029, 20961, 30277, 33813, 39593, 44217, 63869, 90831, 118779, 191607, 272493, 356337, 514709, 574821, 673081, 1544127, 2019243, 4632381, 6057729, 8750053, 26250159, 78750477]

約数ペア:

[(1, 78750477), (3, 26250159), (9, 8750053), (13, 6057729), (17, 4632381), (39, 2019243), (51, 1544127), (117, 673081), (137, 574821), (153, 514709), (221, 356337), (289, 272493), (411, 191607), (663, 118779), (867, 90831), (1233, 63869), (1781, 44217), (1989, 39593), (2329, 33813), (2601, 30277), (3757, 20961), (4913, 16029), (5343, 14739), (6987, 11271)]