161186985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 289523520

約数和(自身を除く): 128336535

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 131, 185, 333, 393, 555, 655, 739, 1179, 1665, 1965, 2217, 3695, 4847, 5895, 6651, 11085, 14541, 24235, 27343, 33255, 43623, 72705, 82029, 96809, 136715, 218115, 246087, 290427, 410145, 484045, 871281, 1230435, 1452135, 3581933, 4356405, 10745799, 17909665, 32237397, 53728995, 161186985]

約数ペア:

[(1, 161186985), (3, 53728995), (5, 32237397), (9, 17909665), (15, 10745799), (37, 4356405), (45, 3581933), (111, 1452135), (131, 1230435), (185, 871281), (333, 484045), (393, 410145), (555, 290427), (655, 246087), (739, 218115), (1179, 136715), (1665, 96809), (1965, 82029), (2217, 72705), (3695, 43623), (4847, 33255), (5895, 27343), (6651, 24235), (11085, 14541)]