28075365

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15217}}^1$

素因数の和:15269

約数の個数: 24

約数和(自身を含む): 49854168

約数和(自身を除く): 21778803

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 15217, 45651, 76085, 136953, 228255, 623897, 684765, 1871691, 3119485, 5615073, 9358455, 28075365]

約数ペア:

[(1, 28075365), (3, 9358455), (5, 5615073), (9, 3119485), (15, 1871691), (41, 684765), (45, 623897), (123, 228255), (205, 136953), (369, 76085), (615, 45651), (1845, 15217)]