153020945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1663}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 230031360

約数和(自身を除く): 77010415

約数列:

[1, 5, 7, 11, 35, 55, 77, 239, 385, 1195, 1663, 1673, 2629, 8315, 8365, 11641, 13145, 18293, 18403, 58205, 91465, 92015, 128051, 397457, 640255, 1987285, 2782199, 4372027, 13910995, 21860135, 30604189, 153020945]

約数ペア:

[(1, 153020945), (5, 30604189), (7, 21860135), (11, 13910995), (35, 4372027), (55, 2782199), (77, 1987285), (239, 640255), (385, 397457), (1195, 128051), (1663, 92015), (1673, 91465), (2629, 58205), (8315, 18403), (8365, 18293), (11641, 13145)]