199888521

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{156041}}^1$

素因数の和:156112

約数の個数: 16

約数和(自身を含む): 309587328

約数和(自身を除く): 109698807

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 156041, 468123, 1092287, 3276861, 9518501, 28555503, 66629507, 199888521]

約数ペア:

[(1, 199888521), (3, 66629507), (7, 28555503), (21, 9518501), (61, 3276861), (183, 1092287), (427, 468123), (1281, 156041)]