18480879

素因数分解:

$3^6\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 28

約数和(自身を含む): 28094472

約数和(自身を除く): 9613593

約数列:

[1, 3, 9, 27, 81, 101, 243, 251, 303, 729, 753, 909, 2259, 2727, 6777, 8181, 20331, 24543, 25351, 60993, 73629, 76053, 182979, 228159, 684477, 2053431, 6160293, 18480879]

約数ペア:

[(1, 18480879), (3, 6160293), (9, 2053431), (27, 684477), (81, 228159), (101, 182979), (243, 76053), (251, 73629), (303, 60993), (729, 25351), (753, 24543), (909, 20331), (2259, 8181), (2727, 6777)]