221448513

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 352856448

約数和(自身を除く): 131407935

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 167, 281, 363, 429, 501, 843, 1573, 1837, 2171, 3091, 3653, 4719, 5511, 6513, 9273, 10959, 20207, 23881, 34001, 40183, 46927, 60621, 71643, 102003, 120549, 140781, 262691, 442013, 516197, 610051, 788073, 1326039, 1548591, 1830153, 5678167, 6710561, 17034501, 20131683, 73816171, 221448513]

約数ペア:

[(1, 221448513), (3, 73816171), (11, 20131683), (13, 17034501), (33, 6710561), (39, 5678167), (121, 1830153), (143, 1548591), (167, 1326039), (281, 788073), (363, 610051), (429, 516197), (501, 442013), (843, 262691), (1573, 140781), (1837, 120549), (2171, 102003), (3091, 71643), (3653, 60621), (4719, 46927), (5511, 40183), (6513, 34001), (9273, 23881), (10959, 20207)]