16413891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 26288640

約数和(自身を除く): 9874749

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1303, 3909, 4199, 12597, 16939, 22151, 24757, 50817, 66453, 74271, 287963, 321841, 420869, 863889, 965523, 1262607, 5471297, 16413891]

約数ペア:

[(1, 16413891), (3, 5471297), (13, 1262607), (17, 965523), (19, 863889), (39, 420869), (51, 321841), (57, 287963), (221, 74271), (247, 66453), (323, 50817), (663, 24757), (741, 22151), (969, 16939), (1303, 12597), (3909, 4199)]