917778843

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{38671}}^1$

素因数の和:38976

約数の個数: 20

約数和(自身を含む): 1375717728

約数和(自身を除く): 457938885

約数列:

[1, 3, 9, 27, 81, 293, 879, 2637, 7911, 23733, 38671, 116013, 348039, 1044117, 3132351, 11330603, 33991809, 101975427, 305926281, 917778843]

約数ペア:

[(1, 917778843), (3, 305926281), (9, 101975427), (27, 33991809), (81, 11330603), (293, 3132351), (879, 1044117), (2637, 348039), (7911, 116013), (23733, 38671)]