28108983

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21943}}^1$

素因数の和:22014

約数の個数: 16

約数和(自身を含む): 43536896

約数和(自身を除く): 15427913

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 21943, 65829, 153601, 460803, 1338523, 4015569, 9369661, 28108983]

約数ペア:

[(1, 28108983), (3, 9369661), (7, 4015569), (21, 1338523), (61, 460803), (183, 153601), (427, 65829), (1281, 21943)]