318915009

素因数分解:

$3^3\times 7^1\times {\mathrm{1687381}}^1$

素因数の和:1687397

約数の個数: 16

約数和(自身を含む): 539962240

約数和(自身を除く): 221047231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1687381, 5062143, 11811667, 15186429, 35435001, 45559287, 106305003, 318915009]

約数ペア:

[(1, 318915009), (3, 106305003), (7, 45559287), (9, 35435001), (21, 15186429), (27, 11811667), (63, 5062143), (189, 1687381)]