199901901

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{99901}}^1$

素因数の和:99956

約数の個数: 16

約数和(自身を含む): 287717760

約数和(自身を除く): 87815859

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 99901, 299703, 2297723, 2897129, 6893169, 8691387, 66633967, 199901901]

約数ペア:

[(1, 199901901), (3, 66633967), (23, 8691387), (29, 6893169), (69, 2897129), (87, 2297723), (667, 299703), (2001, 99901)]