28574073

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 21192327

約数列:

[1, 3, 9, 11, 23, 27, 33, 47, 69, 89, 99, 141, 207, 253, 267, 297, 423, 517, 621, 759, 801, 979, 1081, 1269, 1551, 2047, 2277, 2403, 2937, 3243, 4183, 4653, 6141, 6831, 8811, 9729, 11891, 12549, 13959, 18423, 22517, 26433, 29187, 35673, 37647, 46013, 55269, 67551, 96209, 107019, 112941, 138039, 202653, 288627, 321057, 414117, 607959, 865881, 1058299, 1242351, 2597643, 3174897, 9524691, 28574073]

約数ペア:

[(1, 28574073), (3, 9524691), (9, 3174897), (11, 2597643), (23, 1242351), (27, 1058299), (33, 865881), (47, 607959), (69, 414117), (89, 321057), (99, 288627), (141, 202653), (207, 138039), (253, 112941), (267, 107019), (297, 96209), (423, 67551), (517, 55269), (621, 46013), (759, 37647), (801, 35673), (979, 29187), (1081, 26433), (1269, 22517), (1551, 18423), (2047, 13959), (2277, 12549), (2403, 11891), (2937, 9729), (3243, 8811), (4183, 6831), (4653, 6141)]