81608814

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1470

約数の個数: 72

約数和(自身を含む): 208908648

約数和(自身を除く): 127299834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 67, 98, 126, 134, 147, 201, 294, 402, 441, 469, 603, 882, 938, 1206, 1381, 1407, 2762, 2814, 3283, 4143, 4221, 6566, 8286, 8442, 9667, 9849, 12429, 19334, 19698, 24858, 29001, 29547, 58002, 59094, 67669, 87003, 92527, 135338, 174006, 185054, 203007, 277581, 406014, 555162, 609021, 647689, 832743, 1218042, 1295378, 1665486, 1943067, 3886134, 4533823, 5829201, 9067646, 11658402, 13601469, 27202938, 40804407, 81608814]

約数ペア:

[(1, 81608814), (2, 40804407), (3, 27202938), (6, 13601469), (7, 11658402), (9, 9067646), (14, 5829201), (18, 4533823), (21, 3886134), (42, 1943067), (49, 1665486), (63, 1295378), (67, 1218042), (98, 832743), (126, 647689), (134, 609021), (147, 555162), (201, 406014), (294, 277581), (402, 203007), (441, 185054), (469, 174006), (603, 135338), (882, 92527), (938, 87003), (1206, 67669), (1381, 59094), (1407, 58002), (2762, 29547), (2814, 29001), (3283, 24858), (4143, 19698), (4221, 19334), (6566, 12429), (8286, 9849), (8442, 9667)]