30861243

素因数分解:

$3^5\times 7^1\times {\mathrm{18143}}^1$

素因数の和:18165

約数の個数: 24

約数和(自身を含む): 52835328

約数和(自身を除く): 21974085

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18143, 54429, 127001, 163287, 381003, 489861, 1143009, 1469583, 3429027, 4408749, 10287081, 30861243]

約数ペア:

[(1, 30861243), (3, 10287081), (7, 4408749), (9, 3429027), (21, 1469583), (27, 1143009), (63, 489861), (81, 381003), (189, 163287), (243, 127001), (567, 54429), (1701, 18143)]