1877897721

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1\times {\mathrm{3259}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 2989393920

約数和(自身を除く): 1111496199

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1193, 3259, 3579, 8351, 9777, 22813, 25053, 27439, 68439, 74957, 82317, 192073, 224871, 524699, 576219, 1574097, 3887987, 11663961, 27215909, 81647727, 89423701, 268271103, 625965907, 1877897721]

約数ペア:

[(1, 1877897721), (3, 625965907), (7, 268271103), (21, 89423701), (23, 81647727), (69, 27215909), (161, 11663961), (483, 3887987), (1193, 1574097), (3259, 576219), (3579, 524699), (8351, 224871), (9777, 192073), (22813, 82317), (25053, 74957), (27439, 68439)]