201890109

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 280348992

約数和(自身を除く): 78458883

約数列:

[1, 3, 41, 79, 123, 237, 263, 789, 3239, 6241, 9717, 10783, 18723, 20777, 32349, 62331, 255881, 767643, 851857, 1641383, 2555571, 4924149, 67296703, 201890109]

約数ペア:

[(1, 201890109), (3, 67296703), (41, 4924149), (79, 2555571), (123, 1641383), (237, 851857), (263, 767643), (789, 255881), (3239, 62331), (6241, 32349), (9717, 20777), (10783, 18723)]