28147689

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 43706880

約数和(自身を除く): 15559191

約数列:

[1, 3, 9, 27, 41, 47, 123, 141, 369, 423, 541, 1107, 1269, 1623, 1927, 4869, 5781, 14607, 17343, 22181, 25427, 52029, 66543, 76281, 199629, 228843, 598887, 686529, 1042507, 3127521, 9382563, 28147689]

約数ペア:

[(1, 28147689), (3, 9382563), (9, 3127521), (27, 1042507), (41, 686529), (47, 598887), (123, 228843), (141, 199629), (369, 76281), (423, 66543), (541, 52029), (1107, 25427), (1269, 22181), (1623, 17343), (1927, 14607), (4869, 5781)]