28777329

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1423}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 49213440

約数和(自身を除く): 20436111

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1423, 2247, 2889, 4269, 6741, 9961, 12807, 20223, 29883, 38421, 89649, 152261, 268947, 456783, 1065827, 1370349, 3197481, 4111047, 9592443, 28777329]

約数ペア:

[(1, 28777329), (3, 9592443), (7, 4111047), (9, 3197481), (21, 1370349), (27, 1065827), (63, 456783), (107, 268947), (189, 152261), (321, 89649), (749, 38421), (963, 29883), (1423, 20223), (2247, 12807), (2889, 9961), (4269, 6741)]