28745745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11903}}^1$

素因数の和:11941

約数の個数: 32

約数和(自身を含む): 54853632

約数和(自身を除く): 26107887

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11903, 35709, 59515, 83321, 178545, 249963, 273769, 416605, 821307, 1249815, 1368845, 1916383, 4106535, 5749149, 9581915, 28745745]

約数ペア:

[(1, 28745745), (3, 9581915), (5, 5749149), (7, 4106535), (15, 1916383), (21, 1368845), (23, 1249815), (35, 821307), (69, 416605), (105, 273769), (115, 249963), (161, 178545), (345, 83321), (483, 59515), (805, 35709), (2415, 11903)]