13928889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 21224448

約数和(自身を除く): 7295559

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 281, 403, 533, 843, 1209, 1271, 1599, 3653, 3813, 8711, 10959, 11521, 16523, 26133, 34563, 49569, 113243, 149773, 339729, 357151, 449319, 1071453, 4642963, 13928889]

約数ペア:

[(1, 13928889), (3, 4642963), (13, 1071453), (31, 449319), (39, 357151), (41, 339729), (93, 149773), (123, 113243), (281, 49569), (403, 34563), (533, 26133), (843, 16523), (1209, 11521), (1271, 10959), (1599, 8711), (3653, 3813)]