28727265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6673}}^1$

素因数の和:6729

約数の個数: 32

約数和(自身を含む): 53819136

約数和(自身を除く): 25091871

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 6673, 20019, 33365, 46711, 100095, 140133, 233555, 273593, 700665, 820779, 1367965, 1915151, 4103895, 5745453, 9575755, 28727265]

約数ペア:

[(1, 28727265), (3, 9575755), (5, 5745453), (7, 4103895), (15, 1915151), (21, 1367965), (35, 820779), (41, 700665), (105, 273593), (123, 233555), (205, 140133), (287, 100095), (615, 46711), (861, 33365), (1435, 20019), (4305, 6673)]