15293205

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 28252224

約数和(自身を除く): 12959019

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 307, 369, 405, 615, 921, 1107, 1215, 1535, 1845, 2763, 3321, 4605, 5535, 8289, 9963, 12587, 13815, 16605, 24867, 37761, 41445, 49815, 62935, 74601, 113283, 124335, 188805, 339849, 373005, 566415, 1019547, 1699245, 3058641, 5097735, 15293205]

約数ペア:

[(1, 15293205), (3, 5097735), (5, 3058641), (9, 1699245), (15, 1019547), (27, 566415), (41, 373005), (45, 339849), (81, 188805), (123, 124335), (135, 113283), (205, 74601), (243, 62935), (307, 49815), (369, 41445), (405, 37761), (615, 24867), (921, 16605), (1107, 13815), (1215, 12587), (1535, 9963), (1845, 8289), (2763, 5535), (3321, 4605)]