28877787

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 14050917

約数列:

[1, 3, 9, 47, 141, 233, 293, 423, 699, 879, 2097, 2637, 10951, 13771, 32853, 41313, 68269, 98559, 123939, 204807, 614421, 3208643, 9625929, 28877787]

約数ペア:

[(1, 28877787), (3, 9625929), (9, 3208643), (47, 614421), (141, 204807), (233, 123939), (293, 98559), (423, 68269), (699, 41313), (879, 32853), (2097, 13771), (2637, 10951)]