151930821

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 249936000

約数和(自身を除く): 98005179

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 361, 399, 409, 931, 1029, 1083, 1227, 2527, 2793, 2863, 6517, 7581, 7771, 8589, 17689, 19551, 20041, 23313, 53067, 54397, 60123, 123823, 140287, 147649, 163191, 371469, 380779, 420861, 442947, 1033543, 1142337, 2665453, 3100629, 7234801, 7996359, 21704403, 50643607, 151930821]

約数ペア:

[(1, 151930821), (3, 50643607), (7, 21704403), (19, 7996359), (21, 7234801), (49, 3100629), (57, 2665453), (133, 1142337), (147, 1033543), (343, 442947), (361, 420861), (399, 380779), (409, 371469), (931, 163191), (1029, 147649), (1083, 140287), (1227, 123823), (2527, 60123), (2793, 54397), (2863, 53067), (6517, 23313), (7581, 20041), (7771, 19551), (8589, 17689)]