991567245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{43691}}^1$

素因数の和:43805

約数の個数: 32

約数和(自身を含む): 1698744960

約数和(自身を除く): 707177715

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 4539, 7565, 22695, 43691, 131073, 218455, 655365, 742747, 2228241, 3713735, 3888499, 11141205, 11665497, 19442495, 58327485, 66104483, 198313449, 330522415, 991567245]

約数ペア:

[(1, 991567245), (3, 330522415), (5, 198313449), (15, 66104483), (17, 58327485), (51, 19442495), (85, 11665497), (89, 11141205), (255, 3888499), (267, 3713735), (445, 2228241), (1335, 742747), (1513, 655365), (4539, 218455), (7565, 131073), (22695, 43691)]