81928854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{216743}}^1$

素因数の和:216761

約数の個数: 32

約数和(自身を含む): 208074240

約数和(自身を除く): 126145386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 216743, 433486, 650229, 1300458, 1517201, 1950687, 3034402, 3901374, 4551603, 5852061, 9103206, 11704122, 13654809, 27309618, 40964427, 81928854]

約数ペア:

[(1, 81928854), (2, 40964427), (3, 27309618), (6, 13654809), (7, 11704122), (9, 9103206), (14, 5852061), (18, 4551603), (21, 3901374), (27, 3034402), (42, 1950687), (54, 1517201), (63, 1300458), (126, 650229), (189, 433486), (378, 216743)]