628031139

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 882524160

約数和(自身を除く): 254493021

約数列:

[1, 3, 31, 71, 93, 213, 227, 419, 681, 1257, 2201, 6603, 7037, 12989, 16117, 21111, 29749, 38967, 48351, 89247, 95113, 285339, 499627, 922219, 1498881, 2766657, 2948503, 6753023, 8845509, 20259069, 209343713, 628031139]

約数ペア:

[(1, 628031139), (3, 209343713), (31, 20259069), (71, 8845509), (93, 6753023), (213, 2948503), (227, 2766657), (419, 1498881), (681, 922219), (1257, 499627), (2201, 285339), (6603, 95113), (7037, 89247), (12989, 48351), (16117, 38967), (21111, 29749)]