2878863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 4181856

約数和(自身を除く): 1302993

約数列:

[1, 3, 13, 39, 97, 291, 761, 1261, 2283, 3783, 9893, 29679, 73817, 221451, 959621, 2878863]

約数ペア:

[(1, 2878863), (3, 959621), (13, 221451), (39, 73817), (97, 29679), (291, 9893), (761, 3783), (1261, 2283)]