2147221503

素因数分解:

$3^2\times 7^4\times {\mathrm{99367}}^1$

素因数の和:99401

約数の個数: 30

約数和(自身を含む): 3618286984

約数和(自身を除く): 1471065481

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 21609, 99367, 298101, 695569, 894303, 2086707, 4868983, 6260121, 14606949, 34082881, 43820847, 102248643, 238580167, 306745929, 715740501, 2147221503]

約数ペア:

[(1, 2147221503), (3, 715740501), (7, 306745929), (9, 238580167), (21, 102248643), (49, 43820847), (63, 34082881), (147, 14606949), (343, 6260121), (441, 4868983), (1029, 2086707), (2401, 894303), (3087, 695569), (7203, 298101), (21609, 99367)]