321388641

素因数分解:

$3^5\times 7^1\times {\mathrm{188941}}^1$

素因数の和:188963

約数の個数: 24

約数和(自身を含む): 550199104

約数和(自身を除く): 228810463

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 188941, 566823, 1322587, 1700469, 3967761, 5101407, 11903283, 15304221, 35709849, 45912663, 107129547, 321388641]

約数ペア:

[(1, 321388641), (3, 107129547), (7, 45912663), (9, 35709849), (21, 15304221), (27, 11903283), (63, 5101407), (81, 3967761), (189, 1700469), (243, 1322587), (567, 566823), (1701, 188941)]