222506523

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^2$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 348290280

約数和(自身を除く): 125783757

約数列:

[1, 3, 9, 17, 51, 59, 153, 157, 177, 471, 531, 1003, 1413, 2669, 3009, 8007, 9027, 9263, 24021, 24649, 27789, 73947, 83367, 157471, 221841, 419033, 472413, 1257099, 1417239, 1454291, 3771297, 4362873, 13088619, 24722947, 74168841, 222506523]

約数ペア:

[(1, 222506523), (3, 74168841), (9, 24722947), (17, 13088619), (51, 4362873), (59, 3771297), (153, 1454291), (157, 1417239), (177, 1257099), (471, 472413), (531, 419033), (1003, 221841), (1413, 157471), (2669, 83367), (3009, 73947), (8007, 27789), (9027, 24649), (9263, 24021)]