138506415

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 227598336

約数和(自身を除く): 89091921

約数列:

[1, 3, 5, 15, 47, 141, 223, 235, 669, 705, 881, 1115, 2643, 3345, 4405, 10481, 13215, 31443, 41407, 52405, 124221, 157215, 196463, 207035, 589389, 621105, 982315, 2946945, 9233761, 27701283, 46168805, 138506415]

約数ペア:

[(1, 138506415), (3, 46168805), (5, 27701283), (15, 9233761), (47, 2946945), (141, 982315), (223, 621105), (235, 589389), (669, 207035), (705, 196463), (881, 157215), (1115, 124221), (2643, 52405), (3345, 41407), (4405, 31443), (10481, 13215)]