30897045

素因数分解:

$3^4\times 5^1\times {\mathrm{76289}}^1$

素因数の和:76306

約数の個数: 20

約数和(自身を含む): 55386540

約数和(自身を除く): 24489495

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76289, 228867, 381445, 686601, 1144335, 2059803, 3433005, 6179409, 10299015, 30897045]

約数ペア:

[(1, 30897045), (3, 10299015), (5, 6179409), (9, 3433005), (15, 2059803), (27, 1144335), (45, 686601), (81, 381445), (135, 228867), (405, 76289)]