153753985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21019}}^1$

素因数の和:21061

約数の個数: 32

約数和(自身を含む): 242150400

約数和(自身を除く): 88396415

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 21019, 105095, 147133, 231209, 399361, 735665, 1156045, 1618463, 1996805, 2795527, 4392971, 8092315, 13977635, 21964855, 30750797, 153753985]

約数ペア:

[(1, 153753985), (5, 30750797), (7, 21964855), (11, 13977635), (19, 8092315), (35, 4392971), (55, 2795527), (77, 1996805), (95, 1618463), (133, 1156045), (209, 735665), (385, 399361), (665, 231209), (1045, 147133), (1463, 105095), (7315, 21019)]