280367031

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{691}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 430944384

約数和(自身を除く): 150577353

約数列:

[1, 3, 7, 21, 139, 417, 691, 973, 2073, 2919, 4837, 14511, 19321, 57963, 96049, 135247, 288147, 405741, 672343, 2017029, 13350811, 40052433, 93455677, 280367031]

約数ペア:

[(1, 280367031), (3, 93455677), (7, 40052433), (21, 13350811), (139, 2017029), (417, 672343), (691, 405741), (973, 288147), (2073, 135247), (2919, 96049), (4837, 57963), (14511, 19321)]