221566559787

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{65071}}^1$

素因数の和:65541

約数の個数: 40

約数和(自身を含む): 334601265152

約数和(自身を除く): 113034705365

約数列:

[1, 3, 9, 27, 81, 127, 331, 381, 993, 1143, 2979, 3429, 8937, 10287, 26811, 42037, 65071, 126111, 195213, 378333, 585639, 1134999, 1756917, 3404997, 5270751, 8264017, 21538501, 24792051, 64615503, 74376153, 193846509, 223128459, 581539527, 669385377, 1744618581, 2735389627, 8206168881, 24618506643, 73855519929, 221566559787]

約数ペア:

[(1, 221566559787), (3, 73855519929), (9, 24618506643), (27, 8206168881), (81, 2735389627), (127, 1744618581), (331, 669385377), (381, 581539527), (993, 223128459), (1143, 193846509), (2979, 74376153), (3429, 64615503), (8937, 24792051), (10287, 21538501), (26811, 8264017), (42037, 5270751), (65071, 3404997), (126111, 1756917), (195213, 1134999), (378333, 585639)]