28756245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5827}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 53710848

約数和(自身を除く): 24954603

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 5827, 17481, 29135, 40789, 87405, 122367, 203945, 273869, 611835, 821607, 1369345, 1917083, 4108035, 5751249, 9585415, 28756245]

約数ペア:

[(1, 28756245), (3, 9585415), (5, 5751249), (7, 4108035), (15, 1917083), (21, 1369345), (35, 821607), (47, 611835), (105, 273869), (141, 203945), (235, 122367), (329, 87405), (705, 40789), (987, 29135), (1645, 17481), (4935, 5827)]