2004639

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 3351600

約数和(自身を除く): 1346961

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1049, 1911, 3147, 7343, 13637, 22029, 40911, 51401, 95459, 154203, 286377, 668213, 2004639]

約数ペア:

[(1, 2004639), (3, 668213), (7, 286377), (13, 154203), (21, 95459), (39, 51401), (49, 40911), (91, 22029), (147, 13637), (273, 7343), (637, 3147), (1049, 1911)]