1271127

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 1991808

約数和(自身を除く): 720681

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 2963, 8889, 32593, 38519, 97779, 115557, 423709, 1271127]

約数ペア:

[(1, 1271127), (3, 423709), (11, 115557), (13, 97779), (33, 38519), (39, 32593), (143, 8889), (429, 2963)]