77902665

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 128532096

約数和(自身を除く): 50629431

約数列:

[1, 3, 5, 15, 41, 123, 197, 205, 591, 615, 643, 985, 1929, 2955, 3215, 8077, 9645, 24231, 26363, 40385, 79089, 121155, 126671, 131815, 380013, 395445, 633355, 1900065, 5193511, 15580533, 25967555, 77902665]

約数ペア:

[(1, 77902665), (3, 25967555), (5, 15580533), (15, 5193511), (41, 1900065), (123, 633355), (197, 395445), (205, 380013), (591, 131815), (615, 126671), (643, 121155), (985, 79089), (1929, 40385), (2955, 26363), (3215, 24231), (8077, 9645)]