28131453

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10891}}^1$

素因数の和:10945

約数の個数: 24

約数和(自身を含む): 47576256

約数和(自身を除く): 19444803

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 10891, 32673, 76237, 98019, 228711, 446531, 686133, 1339593, 3125717, 4018779, 9377151, 28131453]

約数ペア:

[(1, 28131453), (3, 9377151), (7, 4018779), (9, 3125717), (21, 1339593), (41, 686133), (63, 446531), (123, 228711), (287, 98019), (369, 76237), (861, 32673), (2583, 10891)]