81187890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{386609}}^1$

素因数の和:386626

約数の個数: 32

約数和(自身を含む): 222687360

約数和(自身を除く): 141499470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 386609, 773218, 1159827, 1933045, 2319654, 2706263, 3866090, 5412526, 5799135, 8118789, 11598270, 13531315, 16237578, 27062630, 40593945, 81187890]

約数ペア:

[(1, 81187890), (2, 40593945), (3, 27062630), (5, 16237578), (6, 13531315), (7, 11598270), (10, 8118789), (14, 5799135), (15, 5412526), (21, 3866090), (30, 2706263), (35, 2319654), (42, 1933045), (70, 1159827), (105, 773218), (210, 386609)]