16434981

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 26426400

約数和(自身を除く): 9991419

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 171, 177, 181, 513, 531, 543, 1121, 1539, 1593, 1629, 3363, 3439, 4779, 4887, 10089, 10317, 10679, 14661, 30267, 30951, 32037, 90801, 92853, 96111, 202901, 278559, 288333, 608703, 864999, 1826109, 5478327, 16434981]

約数ペア:

[(1, 16434981), (3, 5478327), (9, 1826109), (19, 864999), (27, 608703), (57, 288333), (59, 278559), (81, 202901), (171, 96111), (177, 92853), (181, 90801), (513, 32037), (531, 30951), (543, 30267), (1121, 14661), (1539, 10679), (1593, 10317), (1629, 10089), (3363, 4887), (3439, 4779)]