23161905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 46263672

約数和(自身を除く): 23101767

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 137, 153, 195, 221, 255, 289, 411, 585, 663, 685, 765, 867, 1105, 1233, 1445, 1781, 1989, 2055, 2329, 2601, 3315, 3757, 4335, 5343, 6165, 6987, 8905, 9945, 11271, 11645, 13005, 16029, 18785, 20961, 26715, 30277, 33813, 34935, 39593, 56355, 80145, 90831, 104805, 118779, 151385, 169065, 197965, 272493, 356337, 454155, 514709, 593895, 1362465, 1544127, 1781685, 2573545, 4632381, 7720635, 23161905]

約数ペア:

[(1, 23161905), (3, 7720635), (5, 4632381), (9, 2573545), (13, 1781685), (15, 1544127), (17, 1362465), (39, 593895), (45, 514709), (51, 454155), (65, 356337), (85, 272493), (117, 197965), (137, 169065), (153, 151385), (195, 118779), (221, 104805), (255, 90831), (289, 80145), (411, 56355), (585, 39593), (663, 34935), (685, 33813), (765, 30277), (867, 26715), (1105, 20961), (1233, 18785), (1445, 16029), (1781, 13005), (1989, 11645), (2055, 11271), (2329, 9945), (2601, 8905), (3315, 6987), (3757, 6165), (4335, 5343)]