87663009

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{19237}}^1$

素因数の和:19285

約数の個数: 24

約数和(自身を含む): 140360448

約数和(自身を除く): 52697439

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 19237, 57711, 134659, 403977, 596347, 942613, 1789041, 2827839, 4174429, 12523287, 29221003, 87663009]

約数ペア:

[(1, 87663009), (3, 29221003), (7, 12523287), (21, 4174429), (31, 2827839), (49, 1789041), (93, 942613), (147, 596347), (217, 403977), (651, 134659), (1519, 57711), (4557, 19237)]