216281541

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 355752960

約数和(自身を除く): 139471419

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 211, 367, 399, 633, 931, 1101, 1477, 2569, 2793, 4009, 4431, 6973, 7707, 10339, 12027, 17983, 20919, 28063, 31017, 48811, 53949, 77437, 84189, 146433, 196441, 232311, 341677, 542059, 589323, 1025031, 1471303, 1626177, 3794413, 4413909, 10299121, 11383239, 30897363, 72093847, 216281541]

約数ペア:

[(1, 216281541), (3, 72093847), (7, 30897363), (19, 11383239), (21, 10299121), (49, 4413909), (57, 3794413), (133, 1626177), (147, 1471303), (211, 1025031), (367, 589323), (399, 542059), (633, 341677), (931, 232311), (1101, 196441), (1477, 146433), (2569, 84189), (2793, 77437), (4009, 53949), (4431, 48811), (6973, 31017), (7707, 28063), (10339, 20919), (12027, 17983)]