28615821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23669}}^1$

素因数の和:23716

約数の個数: 16

約数和(自身を含む): 42416640

約数和(自身を除く): 13800819

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23669, 71007, 307697, 733739, 923091, 2201217, 9538607, 28615821]

約数ペア:

[(1, 28615821), (3, 9538607), (13, 2201217), (31, 923091), (39, 733739), (93, 307697), (403, 71007), (1209, 23669)]