128742405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{780257}}^1$

素因数の和:780276

約数の個数: 16

約数和(自身を含む): 224714304

約数和(自身を除く): 95971899

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 780257, 2340771, 3901285, 8582827, 11703855, 25748481, 42914135, 128742405]

約数ペア:

[(1, 128742405), (3, 42914135), (5, 25748481), (11, 11703855), (15, 8582827), (33, 3901285), (55, 2340771), (165, 780257)]