12156165

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 25342200

約数和(自身を除く): 13186035

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 149, 185, 245, 259, 315, 333, 441, 447, 555, 735, 745, 777, 1043, 1295, 1341, 1665, 1813, 2205, 2235, 2331, 3129, 3885, 5215, 5439, 5513, 6705, 7301, 9065, 9387, 11655, 15645, 16317, 16539, 21903, 27195, 27565, 36505, 38591, 46935, 49617, 65709, 81585, 82695, 109515, 115773, 192955, 248085, 270137, 328545, 347319, 578865, 810411, 1350685, 1736595, 2431233, 4052055, 12156165]

約数ペア:

[(1, 12156165), (3, 4052055), (5, 2431233), (7, 1736595), (9, 1350685), (15, 810411), (21, 578865), (35, 347319), (37, 328545), (45, 270137), (49, 248085), (63, 192955), (105, 115773), (111, 109515), (147, 82695), (149, 81585), (185, 65709), (245, 49617), (259, 46935), (315, 38591), (333, 36505), (441, 27565), (447, 27195), (555, 21903), (735, 16539), (745, 16317), (777, 15645), (1043, 11655), (1295, 9387), (1341, 9065), (1665, 7301), (1813, 6705), (2205, 5513), (2235, 5439), (2331, 5215), (3129, 3885)]