161808561279

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{21479963}}^1$

素因数の和:21480009

約数の個数: 24

約数和(自身を含む): 250198620672

約数和(自身を除く): 88390059393

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 7533, 21479963, 64439889, 193319667, 579959001, 665878853, 1739877003, 1997636559, 5219631009, 5992909677, 17978729031, 53936187093, 161808561279]

約数ペア:

[(1, 161808561279), (3, 53936187093), (9, 17978729031), (27, 5992909677), (31, 5219631009), (81, 1997636559), (93, 1739877003), (243, 665878853), (279, 579959001), (837, 193319667), (2511, 64439889), (7533, 21479963)]