777519

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 20

約数和(自身を含む): 1205160

約数和(自身を除く): 427641

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 331, 783, 993, 2349, 2979, 8937, 9599, 26811, 28797, 86391, 259173, 777519]

約数ペア:

[(1, 777519), (3, 259173), (9, 86391), (27, 28797), (29, 26811), (81, 9599), (87, 8937), (261, 2979), (331, 2349), (783, 993)]