305766657

素因数分解:

$3^7\times 7^1\times {\mathrm{19973}}^1$

素因数の和:20001

約数の個数: 32

約数和(自身を含む): 524117760

約数和(自身を除く): 218351103

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 15309, 19973, 59919, 139811, 179757, 419433, 539271, 1258299, 1617813, 3774897, 4853439, 11324691, 14560317, 33974073, 43680951, 101922219, 305766657]

約数ペア:

[(1, 305766657), (3, 101922219), (7, 43680951), (9, 33974073), (21, 14560317), (27, 11324691), (63, 4853439), (81, 3774897), (189, 1617813), (243, 1258299), (567, 539271), (729, 419433), (1701, 179757), (2187, 139811), (5103, 59919), (15309, 19973)]