201566421

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{56131}}^1$

素因数の和:56166

約数の個数: 32

約数和(自身を含む): 359244800

約数和(自身を除く): 157678379

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 56131, 168393, 392917, 505179, 1066489, 1178751, 1515537, 3199467, 3536253, 7465423, 9598401, 10608759, 22396269, 28795203, 67188807, 201566421]

約数ペア:

[(1, 201566421), (3, 67188807), (7, 28795203), (9, 22396269), (19, 10608759), (21, 9598401), (27, 7465423), (57, 3536253), (63, 3199467), (133, 1515537), (171, 1178751), (189, 1066489), (399, 505179), (513, 392917), (1197, 168393), (3591, 56131)]