405172017

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{1063}}^1$

素因数の和:1834

約数の個数: 32

約数和(自身を含む): 633292800

約数和(自身を除く): 228120783

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 743, 1063, 2229, 3189, 6687, 9567, 14117, 20061, 20197, 28701, 42351, 60591, 127053, 181773, 381159, 545319, 789809, 2369427, 7108281, 15006371, 21324843, 45019113, 135057339, 405172017]

約数ペア:

[(1, 405172017), (3, 135057339), (9, 45019113), (19, 21324843), (27, 15006371), (57, 7108281), (171, 2369427), (513, 789809), (743, 545319), (1063, 381159), (2229, 181773), (3189, 127053), (6687, 60591), (9567, 42351), (14117, 28701), (20061, 20197)]