71728785

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2441}}^1$

素因数の和:3105

約数の個数: 24

約数和(自身を含む): 124571304

約数和(自身を除く): 52842519

約数列:

[1, 3, 5, 9, 15, 45, 653, 1959, 2441, 3265, 5877, 7323, 9795, 12205, 21969, 29385, 36615, 109845, 1593973, 4781919, 7969865, 14345757, 23909595, 71728785]

約数ペア:

[(1, 71728785), (3, 23909595), (5, 14345757), (9, 7969865), (15, 4781919), (45, 1593973), (653, 109845), (1959, 36615), (2441, 29385), (3265, 21969), (5877, 12205), (7323, 9795)]