157887891

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7759}}^1$

素因数の和:7808

約数の個数: 48

約数和(自身を含む): 290534400

約数和(自身を除く): 132646509

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 6783, 7759, 20349, 23277, 54313, 69831, 131903, 147421, 162939, 395709, 442263, 488817, 923321, 1031947, 1187127, 1326789, 2506157, 2769963, 3095841, 7518471, 8309889, 9287523, 17543099, 22555413, 52629297, 157887891]

約数ペア:

[(1, 157887891), (3, 52629297), (7, 22555413), (9, 17543099), (17, 9287523), (19, 8309889), (21, 7518471), (51, 3095841), (57, 2769963), (63, 2506157), (119, 1326789), (133, 1187127), (153, 1031947), (171, 923321), (323, 488817), (357, 442263), (399, 395709), (969, 162939), (1071, 147421), (1197, 131903), (2261, 69831), (2907, 54313), (6783, 23277), (7759, 20349)]