1728931905

素因数分解:

$3^3\times 5^1\times {\mathrm{12806903}}^1$

素因数の和:12806917

約数の個数: 16

約数和(自身を含む): 3073656960

約数和(自身を除く): 1344725055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 12806903, 38420709, 64034515, 115262127, 192103545, 345786381, 576310635, 1728931905]

約数ペア:

[(1, 1728931905), (3, 576310635), (5, 345786381), (9, 192103545), (15, 115262127), (27, 64034515), (45, 38420709), (135, 12806903)]