138855789

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{18433}}^1$

素因数の和:18479

約数の個数: 24

約数和(自身を含む): 214719232

約数和(自身を除く): 75863443

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 7533, 18433, 55299, 165897, 497691, 571423, 1493073, 1714269, 4479219, 5142807, 15428421, 46285263, 138855789]

約数ペア:

[(1, 138855789), (3, 46285263), (9, 15428421), (27, 5142807), (31, 4479219), (81, 1714269), (93, 1493073), (243, 571423), (279, 497691), (837, 165897), (2511, 55299), (7533, 18433)]