127538199

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 201600000

約数和(自身を除く): 74061801

約数列:

[1, 3, 9, 17, 27, 51, 139, 153, 417, 459, 1251, 1999, 2363, 3753, 5997, 7089, 17991, 21267, 33983, 53973, 63801, 101949, 277861, 305847, 833583, 917541, 2500749, 4723637, 7502247, 14170911, 42512733, 127538199]

約数ペア:

[(1, 127538199), (3, 42512733), (9, 14170911), (17, 7502247), (27, 4723637), (51, 2500749), (139, 917541), (153, 833583), (417, 305847), (459, 277861), (1251, 101949), (1999, 63801), (2363, 53973), (3753, 33983), (5997, 21267), (7089, 17991)]