30880845

素因数分解:

$3^4\times 5^1\times {\mathrm{76249}}^1$

素因数の和:76266

約数の個数: 20

約数和(自身を含む): 55357500

約数和(自身を除く): 24476655

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76249, 228747, 381245, 686241, 1143735, 2058723, 3431205, 6176169, 10293615, 30880845]

約数ペア:

[(1, 30880845), (3, 10293615), (5, 6176169), (9, 3431205), (15, 2058723), (27, 1143735), (45, 686241), (81, 381245), (135, 228747), (405, 76249)]