65281923

素因数分解:

$3^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1637}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 111121920

約数和(自身を除く): 45839997

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 211, 633, 1477, 1637, 1899, 4431, 4911, 5697, 11459, 13293, 14733, 34377, 39879, 44199, 103131, 309393, 345407, 1036221, 2417849, 3108663, 7253547, 9325989, 21760641, 65281923]

約数ペア:

[(1, 65281923), (3, 21760641), (7, 9325989), (9, 7253547), (21, 3108663), (27, 2417849), (63, 1036221), (189, 345407), (211, 309393), (633, 103131), (1477, 44199), (1637, 39879), (1899, 34377), (4431, 14733), (4911, 13293), (5697, 11459)]