129722715

素因数分解:

$3^4\times 5^1\times {\mathrm{320303}}^1$

素因数の和:320320

約数の個数: 20

約数和(自身を含む): 232540704

約数和(自身を除く): 102817989

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 320303, 960909, 1601515, 2882727, 4804545, 8648181, 14413635, 25944543, 43240905, 129722715]

約数ペア:

[(1, 129722715), (3, 43240905), (5, 25944543), (9, 14413635), (15, 8648181), (27, 4804545), (45, 2882727), (81, 1601515), (135, 960909), (405, 320303)]