71402715

素因数分解:

$3^4\times 5^1\times {\mathrm{176303}}^1$

素因数の和:176320

約数の個数: 20

約数和(自身を含む): 127996704

約数和(自身を除く): 56593989

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 176303, 528909, 881515, 1586727, 2644545, 4760181, 7933635, 14280543, 23800905, 71402715]

約数ペア:

[(1, 71402715), (3, 23800905), (5, 14280543), (9, 7933635), (15, 4760181), (27, 2644545), (45, 1586727), (81, 881515), (135, 528909), (405, 176303)]