222555645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20023}}^1$

素因数の和:20066

約数の個数: 48

約数和(自身を含む): 437324160

約数和(自身を除く): 214768515

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 20023, 60069, 100115, 180207, 260299, 300345, 380437, 780897, 901035, 1141311, 1301495, 1902185, 2342691, 3423933, 3904485, 4945681, 5706555, 11713455, 14837043, 17119665, 24728405, 44511129, 74185215, 222555645]

約数ペア:

[(1, 222555645), (3, 74185215), (5, 44511129), (9, 24728405), (13, 17119665), (15, 14837043), (19, 11713455), (39, 5706555), (45, 4945681), (57, 3904485), (65, 3423933), (95, 2342691), (117, 1902185), (171, 1301495), (195, 1141311), (247, 901035), (285, 780897), (585, 380437), (741, 300345), (855, 260299), (1235, 180207), (2223, 100115), (3705, 60069), (11115, 20023)]