276979905

素因数分解:

$3^6\times 5^1\times {\mathrm{75989}}^1$

素因数の和:76012

約数の個数: 28

約数和(自身を含む): 498342420

約数和(自身を除く): 221362515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 75989, 227967, 379945, 683901, 1139835, 2051703, 3419505, 6155109, 10258515, 18465327, 30775545, 55395981, 92326635, 276979905]

約数ペア:

[(1, 276979905), (3, 92326635), (5, 55395981), (9, 30775545), (15, 18465327), (27, 10258515), (45, 6155109), (81, 3419505), (135, 2051703), (243, 1139835), (405, 683901), (729, 379945), (1215, 227967), (3645, 75989)]