4001667621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{27953}}^1$

素因数の和:28381

約数の個数: 32

約数和(自身を含む): 6472804608

約数和(自身を除く): 2471136987

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 401, 1203, 2807, 6817, 8421, 20451, 27953, 47719, 83859, 143157, 195671, 475201, 587013, 1425603, 3326407, 9979221, 11209153, 33627459, 78464071, 190555601, 235392213, 571666803, 1333889207, 4001667621]

約数ペア:

[(1, 4001667621), (3, 1333889207), (7, 571666803), (17, 235392213), (21, 190555601), (51, 78464071), (119, 33627459), (357, 11209153), (401, 9979221), (1203, 3326407), (2807, 1425603), (6817, 587013), (8421, 475201), (20451, 195671), (27953, 143157), (47719, 83859)]