138621805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{7487}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 198761472

約数和(自身を除く): 60139667

約数列:

[1, 5, 7, 23, 35, 115, 161, 529, 805, 2645, 3703, 7487, 18515, 37435, 52409, 172201, 262045, 861005, 1205407, 3960623, 6027035, 19803115, 27724361, 138621805]

約数ペア:

[(1, 138621805), (5, 27724361), (7, 19803115), (23, 6027035), (35, 3960623), (115, 1205407), (161, 861005), (529, 262045), (805, 172201), (2645, 52409), (3703, 37435), (7487, 18515)]