180896877

素因数分解:

$3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{2753}}^1$

素因数の和:2922

約数の個数: 36

約数和(自身を含む): 306107100

約数和(自身を除く): 125210223

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 441, 447, 1043, 1341, 2753, 3129, 7301, 8259, 9387, 19271, 21903, 24777, 57813, 65709, 134897, 173439, 404691, 410197, 1214073, 1230591, 2871379, 3691773, 8614137, 20099653, 25842411, 60298959, 180896877]

約数ペア:

[(1, 180896877), (3, 60298959), (7, 25842411), (9, 20099653), (21, 8614137), (49, 3691773), (63, 2871379), (147, 1230591), (149, 1214073), (441, 410197), (447, 404691), (1043, 173439), (1341, 134897), (2753, 65709), (3129, 57813), (7301, 24777), (8259, 21903), (9387, 19271)]