664624191

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2957}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 1133032320

約数和(自身を除く): 468408129

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 139, 147, 231, 417, 539, 973, 1529, 1617, 2919, 2957, 4587, 6811, 8871, 10703, 20433, 20699, 32109, 32527, 62097, 74921, 97581, 144893, 224763, 227689, 411023, 434679, 683067, 1233069, 1593823, 2877161, 4521253, 4781469, 8631483, 13563759, 20140127, 31648771, 60420381, 94946313, 221541397, 664624191]

約数ペア:

[(1, 664624191), (3, 221541397), (7, 94946313), (11, 60420381), (21, 31648771), (33, 20140127), (49, 13563759), (77, 8631483), (139, 4781469), (147, 4521253), (231, 2877161), (417, 1593823), (539, 1233069), (973, 683067), (1529, 434679), (1617, 411023), (2919, 227689), (2957, 224763), (4587, 144893), (6811, 97581), (8871, 74921), (10703, 62097), (20433, 32527), (20699, 32109)]