15383775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 28748160

約数和(自身を除く): 13364385

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 145, 165, 275, 319, 435, 643, 725, 825, 957, 1595, 1929, 2175, 3215, 4785, 7073, 7975, 9645, 16075, 18647, 21219, 23925, 35365, 48225, 55941, 93235, 106095, 176825, 205117, 279705, 466175, 530475, 615351, 1025585, 1398525, 3076755, 5127925, 15383775]

約数ペア:

[(1, 15383775), (3, 5127925), (5, 3076755), (11, 1398525), (15, 1025585), (25, 615351), (29, 530475), (33, 466175), (55, 279705), (75, 205117), (87, 176825), (145, 106095), (165, 93235), (275, 55941), (319, 48225), (435, 35365), (643, 23925), (725, 21219), (825, 18647), (957, 16075), (1595, 9645), (1929, 7975), (2175, 7073), (3215, 4785)]