201118857

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 310929600

約数和(自身を除く): 109810743

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 289, 323, 421, 493, 551, 867, 969, 1263, 1479, 1653, 5491, 7157, 7999, 8381, 9367, 12209, 16473, 21471, 23997, 25143, 28101, 36627, 121669, 135983, 159239, 207553, 231971, 365007, 407949, 477717, 622659, 695913, 2311711, 3528401, 3943507, 6935133, 10585203, 11830521, 67039619, 201118857]

約数ペア:

[(1, 201118857), (3, 67039619), (17, 11830521), (19, 10585203), (29, 6935133), (51, 3943507), (57, 3528401), (87, 2311711), (289, 695913), (323, 622659), (421, 477717), (493, 407949), (551, 365007), (867, 231971), (969, 207553), (1263, 159239), (1479, 135983), (1653, 121669), (5491, 36627), (7157, 28101), (7999, 25143), (8381, 23997), (9367, 21471), (12209, 16473)]