12201705

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 11299095

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 67, 71, 95, 135, 171, 201, 213, 285, 335, 355, 513, 603, 639, 855, 1005, 1065, 1273, 1349, 1809, 1917, 2565, 3015, 3195, 3819, 4047, 4757, 6365, 6745, 9045, 9585, 11457, 12141, 14271, 19095, 20235, 23785, 34371, 36423, 42813, 57285, 60705, 71355, 90383, 128439, 171855, 182115, 214065, 271149, 451915, 642195, 813447, 1355745, 2440341, 4067235, 12201705]

約数ペア:

[(1, 12201705), (3, 4067235), (5, 2440341), (9, 1355745), (15, 813447), (19, 642195), (27, 451915), (45, 271149), (57, 214065), (67, 182115), (71, 171855), (95, 128439), (135, 90383), (171, 71355), (201, 60705), (213, 57285), (285, 42813), (335, 36423), (355, 34371), (513, 23785), (603, 20235), (639, 19095), (855, 14271), (1005, 12141), (1065, 11457), (1273, 9585), (1349, 9045), (1809, 6745), (1917, 6365), (2565, 4757), (3015, 4047), (3195, 3819)]