155409885

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 278486208

約数和(自身を除く): 123076323

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 131, 205, 369, 393, 615, 643, 655, 1179, 1845, 1929, 1965, 3215, 5371, 5787, 5895, 9645, 16113, 26363, 26855, 28935, 48339, 79089, 80565, 84233, 131815, 237267, 241695, 252699, 395445, 421165, 758097, 1186335, 1263495, 3453553, 3790485, 10360659, 17267765, 31081977, 51803295, 155409885]

約数ペア:

[(1, 155409885), (3, 51803295), (5, 31081977), (9, 17267765), (15, 10360659), (41, 3790485), (45, 3453553), (123, 1263495), (131, 1186335), (205, 758097), (369, 421165), (393, 395445), (615, 252699), (643, 241695), (655, 237267), (1179, 131815), (1845, 84233), (1929, 80565), (1965, 79089), (3215, 48339), (5371, 28935), (5787, 26855), (5895, 26363), (9645, 16113)]