201442689

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 345720960

約数和(自身を除く): 144278271

約数列:

[1, 3, 7, 9, 21, 37, 63, 89, 111, 259, 267, 333, 623, 777, 801, 971, 1869, 2331, 2913, 3293, 5607, 6797, 8739, 9879, 20391, 23051, 29637, 35927, 61173, 69153, 86419, 107781, 207459, 251489, 259257, 323343, 604933, 754467, 777771, 1814799, 2263401, 3197503, 5444397, 9592509, 22382521, 28777527, 67147563, 201442689]

約数ペア:

[(1, 201442689), (3, 67147563), (7, 28777527), (9, 22382521), (21, 9592509), (37, 5444397), (63, 3197503), (89, 2263401), (111, 1814799), (259, 777771), (267, 754467), (333, 604933), (623, 323343), (777, 259257), (801, 251489), (971, 207459), (1869, 107781), (2331, 86419), (2913, 69153), (3293, 61173), (5607, 35927), (6797, 29637), (8739, 23051), (9879, 20391)]