621190401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{751}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 905576448

約数和(自身を除く): 284386047

約数列:

[1, 3, 13, 39, 127, 167, 381, 501, 751, 1651, 2171, 2253, 4953, 6513, 9763, 21209, 29289, 63627, 95377, 125417, 275717, 286131, 376251, 827151, 1239901, 1630421, 3719703, 4891263, 15927959, 47783877, 207063467, 621190401]

約数ペア:

[(1, 621190401), (3, 207063467), (13, 47783877), (39, 15927959), (127, 4891263), (167, 3719703), (381, 1630421), (501, 1239901), (751, 827151), (1651, 376251), (2171, 286131), (2253, 275717), (4953, 125417), (6513, 95377), (9763, 63627), (21209, 29289)]