121870959

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{305441}}^1$

素因数の和:305470

約数の個数: 16

約数和(自身を含む): 195482880

約数和(自身を除く): 73611921

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 305441, 916323, 2138087, 5803379, 6414261, 17410137, 40623653, 121870959]

約数ペア:

[(1, 121870959), (3, 40623653), (7, 17410137), (19, 6414261), (21, 5803379), (57, 2138087), (133, 916323), (399, 305441)]