81061155

素因数分解:

$3^8\times 5^1\times 7^1\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 167218272

約数和(自身を除く): 86157117

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 353, 405, 567, 729, 945, 1059, 1215, 1701, 1765, 2187, 2471, 2835, 3177, 3645, 5103, 5295, 6561, 7413, 8505, 9531, 10935, 12355, 15309, 15885, 22239, 25515, 28593, 32805, 37065, 45927, 47655, 66717, 76545, 85779, 111195, 142965, 200151, 229635, 257337, 333585, 428895, 600453, 772011, 1000755, 1286685, 1801359, 2316033, 3002265, 3860055, 5404077, 9006795, 11580165, 16212231, 27020385, 81061155]

約数ペア:

[(1, 81061155), (3, 27020385), (5, 16212231), (7, 11580165), (9, 9006795), (15, 5404077), (21, 3860055), (27, 3002265), (35, 2316033), (45, 1801359), (63, 1286685), (81, 1000755), (105, 772011), (135, 600453), (189, 428895), (243, 333585), (315, 257337), (353, 229635), (405, 200151), (567, 142965), (729, 111195), (945, 85779), (1059, 76545), (1215, 66717), (1701, 47655), (1765, 45927), (2187, 37065), (2471, 32805), (2835, 28593), (3177, 25515), (3645, 22239), (5103, 15885), (5295, 15309), (6561, 12355), (7413, 10935), (8505, 9531)]