991281171

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 1387250496

約数和(自身を除く): 395969325

約数列:

[1, 3, 37, 61, 111, 183, 281, 521, 843, 1563, 2257, 6771, 10397, 17141, 19277, 31191, 31781, 51423, 57831, 95343, 146401, 439203, 634217, 1175897, 1902651, 3527691, 5416837, 8930461, 16250511, 26791383, 330427057, 991281171]

約数ペア:

[(1, 991281171), (3, 330427057), (37, 26791383), (61, 16250511), (111, 8930461), (183, 5416837), (281, 3527691), (521, 1902651), (843, 1175897), (1563, 634217), (2257, 439203), (6771, 146401), (10397, 95343), (17141, 57831), (19277, 51423), (31191, 31781)]