28190901

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 38260224

約数和(自身を除く): 10069323

約数列:

[1, 3, 113, 137, 339, 411, 607, 1821, 15481, 46443, 68591, 83159, 205773, 249477, 9396967, 28190901]

約数ペア:

[(1, 28190901), (3, 9396967), (113, 249477), (137, 205773), (339, 83159), (411, 68591), (607, 46443), (1821, 15481)]