219040731

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{2939}}^1$

素因数の和:2985

約数の個数: 54

約数和(自身を含む): 398672820

約数和(自身を除く): 179632089

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 169, 273, 441, 507, 637, 819, 1183, 1521, 1911, 2939, 3549, 5733, 8281, 8817, 10647, 20573, 24843, 26451, 38207, 61719, 74529, 114621, 144011, 185157, 267449, 343863, 432033, 496691, 802347, 1296099, 1490073, 1872143, 2407041, 3476837, 4470219, 5616429, 10430511, 16849287, 24337859, 31291533, 73013577, 219040731]

約数ペア:

[(1, 219040731), (3, 73013577), (7, 31291533), (9, 24337859), (13, 16849287), (21, 10430511), (39, 5616429), (49, 4470219), (63, 3476837), (91, 2407041), (117, 1872143), (147, 1490073), (169, 1296099), (273, 802347), (441, 496691), (507, 432033), (637, 343863), (819, 267449), (1183, 185157), (1521, 144011), (1911, 114621), (2939, 74529), (3549, 61719), (5733, 38207), (8281, 26451), (8817, 24843), (10647, 20573)]