1221137855

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{1093}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 1695717504

約数和(自身を除く): 474579649

約数列:

[1, 5, 7, 35, 137, 233, 685, 959, 1093, 1165, 1631, 4795, 5465, 7651, 8155, 31921, 38255, 149741, 159605, 223447, 254669, 748705, 1048187, 1117235, 1273345, 1782683, 5240935, 8913415, 34889653, 174448265, 244227571, 1221137855]

約数ペア:

[(1, 1221137855), (5, 244227571), (7, 174448265), (35, 34889653), (137, 8913415), (233, 5240935), (685, 1782683), (959, 1273345), (1093, 1117235), (1165, 1048187), (1631, 748705), (4795, 254669), (5465, 223447), (7651, 159605), (8155, 149741), (31921, 38255)]